81_FR_78925 81 FR 78708 - Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes

81 FR 78708 - Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 81, Issue 217 (November 9, 2016)

Page Range78708-78711
FR Document2016-26808

We are adopting a new airworthiness directive (AD) for all Diamond Aircraft Industries GmbH Model DA 40 NG airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as possible loss of engine power and emergency landing with consequent damage to the airplane and occupant injury caused by a manufacturing quality deficiency in a batch of V-clamps that could cause the V-clamp to crack and fail. We are issuing this AD to require actions to address the unsafe condition on these products.

Federal Register, Volume 81 Issue 217 (Wednesday, November 9, 2016)
[Federal Register Volume 81, Number 217 (Wednesday, November 9, 2016)]
[Rules and Regulations]
[Pages 78708-78711]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-26808]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2016-9369; Directorate Identifier 2016-CE-034-AD; 
Amendment 39-18710; AD 2016-23-03]
RIN 2120-AA64


Airworthiness Directives; Diamond Aircraft Industries GmbH 
Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

-----------------------------------------------------------------------

SUMMARY: We are adopting a new airworthiness directive (AD) for all 
Diamond Aircraft Industries GmbH Model DA 40 NG airplanes. This AD 
results from mandatory continuing airworthiness information (MCAI) 
issued by the aviation authority of another country to identify and 
correct an unsafe condition on an aviation product. The MCAI describes 
the unsafe condition as possible loss of engine power and emergency 
landing with consequent damage to the airplane and occupant injury 
caused by a manufacturing quality deficiency in a batch of V-clamps 
that could cause the V-clamp to crack and fail. We are issuing this AD 
to require actions to address the unsafe condition on these products.

DATES: This AD is effective November 29, 2016.
    The Director of the Federal Register approved the incorporation by 
reference of certain publications listed in this AD as of November 29, 
2016.
    We must receive comments on this AD by December 27, 2016.

ADDRESSES: You may send comments by any of the following methods:
     Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments.
     Fax: (202) 493-2251.
     Mail: U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue SE., Washington, DC 20590.
     Hand Delivery: U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue SE., Washington, DC 20590, between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays.
    For service information identified in this AD, contact Diamond 
Aircraft Industries GmbH, N.A. Otto-Stra[szlig]e 5, A-2700 Wiener 
Neustadt, Austria, telephone: +43 2622 26700; fax: +43 2622 26780; 
email: [email protected]; Internet: http://www.diamondaircraft.com. 
You may view this referenced service information at the FAA, Small 
Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For 
information on the availability of this material at the FAA, call (816) 
329-4148. It is also available on the Internet at http://www.regulations.gov by searching for locating Docket No. FAA-2016-9369.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
9369; or in person at the Docket Management Facility between 9 a.m. and 
5 p.m., Monday through Friday, except Federal holidays. The AD docket 
contains this AD, the regulatory evaluation, any comments received, and 
other information. The street address for the Docket Office (telephone 
(800) 647-5527) is in the ADDRESSES section. Comments will be available 
in the AD docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Mike Kiesov, Aerospace Engineer, FAA, 
Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 
64106; telephone: (816) 329-4144; fax: (816) 329-4090; email: 
[email protected].

SUPPLEMENTARY INFORMATION: 

Discussion

    The European Aviation Safety Agency (EASA), which is the Technical 
Agent

[[Page 78709]]

for the Member States of the European Community, has issued AD No. 
2016-0203, dated October 10, 2016 (referred to after this as ``the 
MCAI''), to correct an unsafe condition for the specified products. The 
MCAI states:

    Failures of V-clamps, Part Number (P/N) E4A-41-000-002, 
installed on the turbochargers, have been reported on DA 40 NG 
aeroplanes. One of the failures resulted in engine power loss and 
subsequent emergency landing. Preliminary investigations identified 
a manufacturing quality deficiency in a batch of V-clamps as the 
possible cause of these failures.
    This condition, if not detected and corrected, could lead to 
further occurrences of engine power loss, possibly resulting in an 
emergency landing with consequent damage to the aeroplane and injury 
to occupants.
    To address this potential unsafe condition, DAI designed an 
improved V-clamp, P/N D44-9081-26-03, and issued Mandatory Service 
Bulletin (MSB) 40NG-046 (later revised), providing instructions to 
identify all the parts suspected to be part of the affected batch, 
and to replace these with the new V-clamp. The MSB also introduces 
repetitive inspections of all turbocharger V-clamps, irrespective of 
P/N.
    For the reasons described above, this AD requires repetitive 
visual inspections of the V-clamps and, depending on findings, 
replacement. This AD also requires replacement of certain V-clamps 
with improved clamps.

You may examine the MCAI on the Internet at http://www.regulations.gov 
by searching for and locating Docket No. FAA-2016-9369.

Related Service Information Under 1 CFR Part 51

    Diamond Aircraft Industries GmbH has issued Mandatory Service 
Bulletin MSB 40NG-046/2, dated July 22, 2016, and Work Instruction WI-
MSB 40NG-046, dated July 14, 2016. In combination, this service 
information describes procedures for inspecting the V-clamp for cracks 
and for correct installation and for replacing cracked and incorrectly 
installed V-clamps with parts of improved design. This service 
information is reasonably available because the interested parties have 
access to it through their normal course of business or by the means 
identified in the ADDRESSES section of this AD.

FAA's Determination and Requirements of This AD

    This product has been approved by the aviation authority of another 
country, and is approved for operation in the United States. Pursuant 
to our bilateral agreement with this State of Design Authority, they 
have notified us of the unsafe condition described in the MCAI and 
service information referenced above. We are issuing this AD because we 
evaluated all information provided by the State of Design Authority and 
determined the unsafe condition exists and is likely to exist or 
develop on other products of the same type design.

FAA's Determination of the Effective Date

    An unsafe condition exists that requires the immediate adoption of 
this AD. The FAA has found that the risk to the flying public justifies 
waiving notice and comment prior to adoption of this rule because a 
manufacturing quality deficiency in a batch of V-clamps could cause the 
V-clamp to crack and fail. Failure of the V-clamp could result in loss 
of engine power and possible emergency landing, which could result in 
damage to the airplane and occupant injury. Therefore, we determined 
that notice and opportunity for public comment before issuing this AD 
are impracticable and that good cause exists for making this amendment 
effective in fewer than 30 days.

Comments Invited

    This AD is a final rule that involves requirements affecting flight 
safety, and we did not precede it by notice and opportunity for public 
comment. We invite you to send any written relevant data, views, or 
arguments about this AD. Send your comments to an address listed under 
the ADDRESSES section. Include ``Docket No. FAA-2016-9369; Directorate 
Identifier 2016-CE-034-AD'' at the beginning of your comments. We 
specifically invite comments on the overall regulatory, economic, 
environmental, and energy aspects of this AD. We will consider all 
comments received by the closing date and may amend this AD because of 
those comments.
    We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We 
will also post a report summarizing each substantive verbal contact we 
receive about this AD.

Costs of Compliance

    We estimate that this AD will affect 22 products of U.S. registry. 
We also estimate that it will take about 1 work-hour per product to 
comply with the inspection requirements of this AD. The average labor 
rate is $85 per work-hour.
    Based on these figures, we estimate the cost of the inspection in 
this AD on U.S. operators to be $1,870, or $85 per product.
    We also estimate that it will take about 1 work-hour per product to 
comply with the replacement requirement of this AD. The average labor 
rate is $85 per work-hour. Required parts will cost about $75 per 
product.
    Based on these figures, we estimate the cost of the replacement in 
this AD on U.S. operators to be $3,520, or $160 per product.

Paperwork Reduction Act

    A federal agency may not conduct or sponsor, and a person is not 
required to respond to, nor shall a person be subject to penalty for 
failure to comply with a collection of information subject to the 
requirements of the Paperwork Reduction Act unless that collection of 
information displays a current valid OMB control number. The control 
number for the collection of information required by this AD is 2120-
0056. The paperwork cost associated with this AD has been detailed in 
the Costs of Compliance section of this document and includes time for 
reviewing instructions, as well as completing and reviewing the 
collection of information. Therefore, all reporting associated with 
this AD is mandatory. Comments concerning the accuracy of this burden 
and suggestions for reducing the burden should be directed to the FAA 
at 800 Independence Ave. SW., Washington, DC 20591. ATTN: Information 
Collection Clearance Officer, AES-200.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, section 106, describes the 
authority of the FAA Administrator. ``Subtitle VII: Aviation 
Programs,'' describes in more detail the scope of the Agency's 
authority.
    We are issuing this rulemaking under the authority described in 
``Subtitle VII, Part A, Subpart III, section 44701: General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    We determined that this AD will not have federalism implications 
under Executive Order 13132. This AD will not have a substantial direct 
effect on the States, on the relationship between the national 
Government and the States, or on the distribution of power and

[[Page 78710]]

responsibilities among the various levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under the DOT Regulatory Policies 
and Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

Adoption of the Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority: 49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new AD:

2016-23-03 Diamond Aircraft Industries GmbH: Amendment 39-18710; 
Docket No. FAA-2016-9369; Directorate Identifier 2016-CE-034-AD.

(a) Effective Date

    This airworthiness directive (AD) becomes effective November 29, 
2016.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Diamond Aircraft Industries GmbH Model DA 40 
NG airplanes, all serial numbers, certificated in any category.

(d) Subject

    Air Transport Association of America (ATA) Code 81: 
Turbocharging.

(e) Reason

    This AD was prompted by mandatory continuing airworthiness 
information (MCAI) issued by the aviation authority of another 
country to identify and correct an unsafe condition on an aviation 
product. The MCAI describes the unsafe condition as manufacturing 
quality deficiency in a batch of V-clamps that could cause the V-
clamp to crack and fail. We are issuing this AD to prevent failure 
of the V-clamp and possible loss of engine power, which could result 
in emergency landing with consequent damage to the airplane and 
occupant injury.

(f) Actions and Compliance

    Unless already done, do the following actions.
    (1) Within the next 50 hours time-in-service (TIS) after 
November 29, 2016 (the effective date of this AD) or within the next 
2 months after November 29, 2016 (the effective date of this AD), 
whichever occurs first, and repetitively thereafter at intervals not 
to exceed 100 hours TIS, inspect the V-clamp following the 
Instructions section in Diamond Aircraft Industries GmbH (DAI) Work 
Instruction WI-MSB 40NG-046, dated July 14, 2016, as specified in 
DAI Mandatory Service Bulletin MSB 40NG-046/2, dated July 22, 2016.
    (2) If any crack or incorrect installation is found during any 
inspection required in paragraph (f)(1) of this AD, before further 
flight, replace the V-clamp with an improved V-clamp, P/N D44-9081-
26-03. After this replacement, continue with the 100 hour TIS 
repetitive inspection required in paragraph (f)(1) of this AD. Do 
the replacement following the Instructions section in Diamond 
Aircraft Industries GmbH (DAI) Work Instruction WI-MSB 40NG-046, 
dated July 14, 2016, as specified in DAI Mandatory Service Bulletin 
MSB 40NG-046/2, dated July 22, 2016.
    (3) Unless already replaced as required in paragraph (f)(2) of 
this AD, within the next 100 hours TIS after November 29, 2016 (the 
effective date of this AD) or within the next 4 months after 
November 29, 2016 (the effective date of this AD), whichever occurs 
first, replace P/N E4A-41-000-002 V-clamp with an improved P/N D44-
9081-26-03 V-clamp. After this replacement, continue with the 100 
hour TIS repetitive inspection required in paragraph (f)(1) of this 
AD. Do the replacement following the Instructions section in Diamond 
Aircraft Industries GmbH (DAI) Work Instruction WI-MSB 40NG-046, 
dated July 14, 2016, as specified in DAI Mandatory Service Bulletin 
MSB 40NG-046/2, dated July 22, 2016.
    (4) Within 10 days after each inspection required in paragraph 
(f)(1) of this AD, report the results to DAI at the address in 
paragraph (i)(3) of this AD using the Execution Report on page 3 of 
DAI Mandatory Service Bulletin MSB 40NG-046/2, dated July 22, 2016. 
If the initial inspection was done before November 29, 2016 (the 
effective date of this AD), then the report for this inspection is 
required within 10 days after November 29, 2016 (the effective date 
of this AD).
    (5) At the following compliance times, installing a V-clamp P/N 
E4A-41-000-002 is prohibited.
    (i) Anytime a P/N E4A-41-000-002 V-clamp is replaced with an 
improved P/N D44-9081-126-03 V-clamp, as required by paragraphs 
(f)(2) and (3) of this AD; and
    (ii) As of November 29, 2016 (the effective date of this AD), if 
a P/N E4A-41-000-002 V-clamp is not currently installed.

(g) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
Standards Office, FAA, has the authority to approve AMOCs for this 
AD, if requested using the procedures found in 14 CFR 39.19. Send 
information to ATTN: Mike Kiesov, Aerospace Engineer, FAA, Small 
Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 
64106; telephone: (816) 329-4144; fax: (816) 329-4090; email: 
[email protected]. Before using any approved AMOC on any airplane 
to which the AMOC applies, notify your appropriate principal 
inspector (PI) in the FAA Flight Standards District Office (FSDO), 
or lacking a PI, your local FSDO.
    (2) Airworthy Product: For any requirement in this AD to obtain 
corrective actions from a manufacturer or other source, use these 
actions if they are FAA-approved. Corrective actions are considered 
FAA-approved if they are approved by the State of Design Authority 
(or their delegated agent). You are required to assure the product 
is airworthy before it is returned to service.
    (3) Reporting Requirements: For any reporting requirement in 
this AD, a federal agency may not conduct or sponsor, and a person 
is not required to respond to, nor shall a person be subject to a 
penalty for failure to comply with a collection of information 
subject to the requirements of the Paperwork Reduction Act unless 
that collection of information displays a current valid OMB Control 
Number. The OMB Control Number for this information collection is 
2120-0056. Public reporting for this collection of information is 
estimated to be approximately 5 minutes per response, including the 
time for reviewing instructions, completing and reviewing the 
collection of information. All responses to this collection of 
information are mandatory. Comments concerning the accuracy of this 
burden and suggestions for reducing the burden should be directed to 
the FAA at: 800 Independence Ave. SW., Washington, DC 20591, Attn: 
Information Collection Clearance Officer, AES-200.

(h) Related Information

    Refer to MCAI European Aviation Safety Agency (EASA) AD No. 
2016-0203, dated October 10, 2016, and Diamond Aircraft Temporary 
Revision AMM-TR-M[Auml]M 40-853/b, dated July 15, 2016, for related 
information. You may examine the MCAI on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-
2016-9369.

(i) Material Incorporated by Reference

    (1) The Director of the Federal Register approved the 
incorporation by reference (IBR) of the service information listed 
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
    (2) You must use this service information as applicable to do 
the actions required by this AD, unless this AD specifies otherwise.
    (i) Diamond Aircraft Industries GmbH Mandatory Service Bulletin 
MSB 40NG-046/2, dated July 22, 2016.
    (ii) Diamond Aircraft Industries GmbH Work Instruction WI-MSB 
40NG-046, dated July 14, 2016.
    (3) For Diamond Aircraft Industries GmbH service information 
identified in this AD,

[[Page 78711]]

contact Diamond Aircraft Industries GmbH, N.A. Otto-Stra[szlig]e 5, 
A-2700 Wiener Neustadt, Austria, telephone: +43 2622 26700; fax: +43 
2622 26780; email: [email protected]; Internet: http://www.diamondaircraft.com.
    (4) You may view this service information at the FAA, Small 
Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For 
information on the availability of this material at the FAA, call 
(816) 329-4148. It is also available on the Internet at http://www.regulations.gov by searching for locating Docket No. FAA-2016-
9369.
    (5) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Kansas City, Missouri, on October 31, 2016.
Pat Mullen,
Acting Manager, Small Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2016-26808 Filed 11-8-16; 8:45 am]
 BILLING CODE 4910-13-P



                                                78708            Federal Register / Vol. 81, No. 217 / Wednesday, November 9, 2016 / Rules and Regulations

                                                following special conditions as part of                    (ii) Amber or yellow for caution alert                 The Director of the Federal Register
                                                the type certification basis for Bell                    indications.                                          approved the incorporation by reference
                                                Helicopter Textron, Inc., Model 525                        (iii) Any color except red, amber,                  of certain publications listed in this AD
                                                helicopters.                                             yellow, or green for advisory alert                   as of November 29, 2016.
                                                                                                         indications.                                             We must receive comments on this
                                                Flightcrew Alerting                                        (2) Use visual coding techniques,                   AD by December 27, 2016.
                                                   (a) Flightcrew alerts must:                           together with other alerting function                 ADDRESSES: You may send comments by
                                                   (1) Provide the flightcrew with the                   elements in the cockpit, to distinguish               any of the following methods:
                                                information needed to:                                   between warning, caution, and advisory                   • Federal eRulemaking Portal: Go to
                                                   (i) Identify non-normal operation or                  alert indications, if they are presented              http://www.regulations.gov. Follow the
                                                aircraft system conditions, and                          on monochromatic displays that are not                instructions for submitting comments.
                                                   (ii) Determine the appropriate actions,               capable of conforming to the color                       • Fax: (202) 493–2251.
                                                if any.                                                  convention in paragraph (e)(1) of these                  • Mail: U.S. Department of
                                                   (2) Be readily and easily detectable                  special conditions.                                   Transportation, Docket Operations, M–
                                                and intelligible by the flightcrew under                   (f) Use of the colors red, amber, and               30, West Building Ground Floor, Room
                                                all foreseeable operating conditions,                    yellow in the cockpit for functions other             W12–140, 1200 New Jersey Avenue SE.,
                                                including conditions where multiple                      than flightcrew alerting must be limited              Washington, DC 20590.
                                                alerts are provided.                                     and must not adversely affect flightcrew                 • Hand Delivery: U.S. Department of
                                                   (3) Be removed when the alerting                      alerting.                                             Transportation, Docket Operations, M–
                                                condition no longer exists.                                                                                    30, West Building Ground Floor, Room
                                                                                                            Issued in Fort Worth, Texas, on November
                                                   (b) Alerts must conform to the                                                                              W12–140, 1200 New Jersey Avenue SE.,
                                                                                                         3, 2016.
                                                following prioritization hierarchy based                                                                       Washington, DC 20590, between 9 a.m.
                                                                                                         Lance Gant,
                                                on the urgency of flightcrew awareness                                                                         and 5 p.m., Monday through Friday,
                                                and response.                                            Manager, Rotorcraft Directorate, Aircraft             except Federal holidays.
                                                                                                         Certification Service.                                   For service information identified in
                                                   (1) Warning: For conditions that
                                                require immediate flightcrew awareness                   [FR Doc. 2016–27088 Filed 11–8–16; 8:45 am]           this AD, contact Diamond Aircraft
                                                and immediate flightcrew response.                       BILLING CODE 4910–13–P                                Industries GmbH, N.A. Otto-Stra+e 5,
                                                   (2) Caution: For conditions that                                                                            A–2700 Wiener Neustadt, Austria,
                                                require immediate flightcrew awareness                                                                         telephone: +43 2622 26700; fax: +43
                                                and subsequent flightcrew response.                      DEPARTMENT OF TRANSPORTATION                          2622 26780; email: office@diamond-
                                                   (3) Advisory: For conditions that                                                                           air.at; Internet: http://
                                                                                                         Federal Aviation Administration                       www.diamondaircraft.com. You may
                                                require flightcrew awareness and may
                                                require subsequent flightcrew response.                                                                        view this referenced service information
                                                                                                         14 CFR Part 39                                        at the FAA, Small Airplane Directorate,
                                                   (c) Warning and caution alerts must:
                                                   (1) Be prioritized within each                        [Docket No. FAA–2016–9369; Directorate                901 Locust, Kansas City, Missouri
                                                category, when necessary.                                Identifier 2016–CE–034–AD; Amendment                  64106. For information on the
                                                   (2) Provide timely attention-getting                  39–18710; AD 2016–23–03]                              availability of this material at the FAA,
                                                cues through at least two different                      RIN 2120–AA64                                         call (816) 329–4148. It is also available
                                                senses by a combination of aural, visual,                                                                      on the Internet at http://
                                                or tactile indications.                                  Airworthiness Directives; Diamond                     www.regulations.gov by searching for
                                                   (3) Permit each occurrence of the                     Aircraft Industries GmbH Airplanes                    locating Docket No. FAA–2016–9369.
                                                attention-getting cues required by
                                                                                                         AGENCY:  Federal Aviation                             Examining the AD Docket
                                                paragraph (c)(2) of these special
                                                conditions to be acknowledged and                        Administration (FAA), DOT.                               You may examine the AD docket on
                                                suppressed, unless they are required to                  ACTION: Final rule; request for                       the Internet at http://
                                                be continuous.                                           comments.                                             www.regulations.gov by searching for
                                                   (d) The alert function must be                                                                              and locating Docket No. FAA–2016–
                                                                                                         SUMMARY:   We are adopting a new                      9369; or in person at the Docket
                                                designed to minimize the effects of false
                                                                                                         airworthiness directive (AD) for all                  Management Facility between 9 a.m.
                                                and nuisance alerts. In particular, it
                                                                                                         Diamond Aircraft Industries GmbH                      and 5 p.m., Monday through Friday,
                                                must be designed to:
                                                                                                         Model DA 40 NG airplanes. This AD                     except Federal holidays. The AD docket
                                                   (1) Prevent the presentation of an alert
                                                                                                         results from mandatory continuing                     contains this AD, the regulatory
                                                that is inappropriate or unnecessary.
                                                                                                         airworthiness information (MCAI)                      evaluation, any comments received, and
                                                   (2) Provide a means to suppress an
                                                                                                         issued by the aviation authority of                   other information. The street address for
                                                attention-getting component of an alert
                                                                                                         another country to identify and correct               the Docket Office (telephone (800) 647–
                                                caused by a failure of the alerting
                                                                                                         an unsafe condition on an aviation                    5527) is in the ADDRESSES section.
                                                function that interferes with the
                                                                                                         product. The MCAI describes the unsafe                Comments will be available in the AD
                                                flightcrew’s ability to safely operate the
                                                                                                         condition as possible loss of engine                  docket shortly after receipt.
                                                helicopter. This means must not be
                                                                                                         power and emergency landing with
                                                readily available to the flightcrew so                                                                         FOR FURTHER INFORMATION CONTACT:
                                                                                                         consequent damage to the airplane and                 Mike Kiesov, Aerospace Engineer, FAA,
                                                that it could be operated inadvertently
                                                                                                         occupant injury caused by a                           Small Airplane Directorate, 901 Locust,
                                                or by habitual reflexive action. When an
                                                                                                         manufacturing quality deficiency in a                 Room 301, Kansas City, Missouri 64106;
                                                alert is suppressed, there must be a clear
jstallworth on DSK7TPTVN1PROD with RULES




                                                                                                         batch of V-clamps that could cause the                telephone: (816) 329–4144; fax: (816)
                                                and unmistakable annunciation to the
                                                                                                         V-clamp to crack and fail. We are                     329–4090; email: mike.kiesov@faa.gov.
                                                flightcrew that the alert has been
                                                                                                         issuing this AD to require actions to
                                                suppressed.                                                                                                    SUPPLEMENTARY INFORMATION:
                                                   (e) Visual alert indications must:                    address the unsafe condition on these
                                                   (1) Conform to the following color                    products.                                             Discussion
                                                convention:                                              DATES: This AD is effective November                    The European Aviation Safety Agency
                                                   (i) Red for warning alert indications.                29, 2016.                                             (EASA), which is the Technical Agent


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                                                                 Federal Register / Vol. 81, No. 217 / Wednesday, November 9, 2016 / Rules and Regulations                                       78709

                                                for the Member States of the European                    AD because we evaluated all                           requirement of this AD. The average
                                                Community, has issued AD No. 2016–                       information provided by the State of                  labor rate is $85 per work-hour.
                                                0203, dated October 10, 2016 (referred                   Design Authority and determined the                   Required parts will cost about $75 per
                                                to after this as ‘‘the MCAI’’), to correct               unsafe condition exists and is likely to              product.
                                                an unsafe condition for the specified                    exist or develop on other products of the               Based on these figures, we estimate
                                                products. The MCAI states:                               same type design.                                     the cost of the replacement in this AD
                                                   Failures of V-clamps, Part Number (P/N)
                                                                                                                                                               on U.S. operators to be $3,520, or $160
                                                                                                         FAA’s Determination of the Effective                  per product.
                                                E4A–41–000–002, installed on the                         Date
                                                turbochargers, have been reported on DA 40                                                                     Paperwork Reduction Act
                                                NG aeroplanes. One of the failures resulted                An unsafe condition exists that
                                                in engine power loss and subsequent                      requires the immediate adoption of this                 A federal agency may not conduct or
                                                emergency landing. Preliminary                           AD. The FAA has found that the risk to                sponsor, and a person is not required to
                                                investigations identified a manufacturing                the flying public justifies waiving notice            respond to, nor shall a person be subject
                                                quality deficiency in a batch of V-clamps as             and comment prior to adoption of this                 to penalty for failure to comply with a
                                                the possible cause of these failures.                                                                          collection of information subject to the
                                                                                                         rule because a manufacturing quality
                                                   This condition, if not detected and                                                                         requirements of the Paperwork
                                                corrected, could lead to further occurrences             deficiency in a batch of V-clamps could
                                                of engine power loss, possibly resulting in an           cause the V-clamp to crack and fail.                  Reduction Act unless that collection of
                                                emergency landing with consequent damage                 Failure of the V-clamp could result in                information displays a current valid
                                                to the aeroplane and injury to occupants.                loss of engine power and possible                     OMB control number. The control
                                                   To address this potential unsafe condition,           emergency landing, which could result                 number for the collection of information
                                                DAI designed an improved V-clamp, P/N                    in damage to the airplane and occupant                required by this AD is 2120–0056. The
                                                D44–9081–26–03, and issued Mandatory                     injury. Therefore, we determined that                 paperwork cost associated with this AD
                                                Service Bulletin (MSB) 40NG–046 (later                   notice and opportunity for public                     has been detailed in the Costs of
                                                revised), providing instructions to identify all                                                               Compliance section of this document
                                                the parts suspected to be part of the affected
                                                                                                         comment before issuing this AD are
                                                                                                         impracticable and that good cause exists              and includes time for reviewing
                                                batch, and to replace these with the new V-
                                                clamp. The MSB also introduces repetitive                for making this amendment effective in                instructions, as well as completing and
                                                inspections of all turbocharger V-clamps,                fewer than 30 days.                                   reviewing the collection of information.
                                                irrespective of P/N.                                                                                           Therefore, all reporting associated with
                                                   For the reasons described above, this AD
                                                                                                         Comments Invited                                      this AD is mandatory. Comments
                                                requires repetitive visual inspections of the               This AD is a final rule that involves              concerning the accuracy of this burden
                                                V-clamps and, depending on findings,                     requirements affecting flight safety, and             and suggestions for reducing the burden
                                                replacement. This AD also requires                       we did not precede it by notice and                   should be directed to the FAA at 800
                                                replacement of certain V-clamps with                     opportunity for public comment. We                    Independence Ave. SW., Washington,
                                                improved clamps.                                         invite you to send any written relevant               DC 20591. ATTN: Information
                                                You may examine the MCAI on the                          data, views, or arguments about this AD.              Collection Clearance Officer, AES–200.
                                                Internet at http://www.regulations.gov                   Send your comments to an address
                                                by searching for and locating Docket No.                                                                       Authority for This Rulemaking
                                                                                                         listed under the ADDRESSES section.
                                                FAA–2016–9369.                                           Include ‘‘Docket No. FAA–2016–9369;                      Title 49 of the United States Code
                                                                                                         Directorate Identifier 2016–CE–034–                   specifies the FAA’s authority to issue
                                                Related Service Information Under 1                                                                            rules on aviation safety. Subtitle I,
                                                CFR Part 51                                              AD’’ at the beginning of your comments.
                                                                                                         We specifically invite comments on the                section 106, describes the authority of
                                                  Diamond Aircraft Industries GmbH                       overall regulatory, economic,                         the FAA Administrator. ‘‘Subtitle VII:
                                                has issued Mandatory Service Bulletin                    environmental, and energy aspects of                  Aviation Programs,’’ describes in more
                                                MSB 40NG–046/2, dated July 22, 2016,                     this AD. We will consider all comments                detail the scope of the Agency’s
                                                and Work Instruction WI–MSB 40NG–                        received by the closing date and may                  authority.
                                                046, dated July 14, 2016. In                             amend this AD because of those                           We are issuing this rulemaking under
                                                combination, this service information                    comments.                                             the authority described in ‘‘Subtitle VII,
                                                describes procedures for inspecting the                     We will post all comments we                       Part A, Subpart III, section 44701:
                                                V-clamp for cracks and for correct                       receive, without change, to http://                   General requirements.’’ Under that
                                                installation and for replacing cracked                   www.regulations.gov, including any                    section, Congress charges the FAA with
                                                and incorrectly installed V-clamps with                  personal information you provide. We                  promoting safe flight of civil aircraft in
                                                parts of improved design. This service                   will also post a report summarizing each              air commerce by prescribing regulations
                                                information is reasonably available                      substantive verbal contact we receive                 for practices, methods, and procedures
                                                because the interested parties have                      about this AD.                                        the Administrator finds necessary for
                                                access to it through their normal course                                                                       safety in air commerce. This regulation
                                                of business or by the means identified                   Costs of Compliance                                   is within the scope of that authority
                                                in the ADDRESSES section of this AD.                       We estimate that this AD will affect                because it addresses an unsafe condition
                                                                                                         22 products of U.S. registry. We also                 that is likely to exist or develop on
                                                FAA’s Determination and Requirements
                                                                                                         estimate that it will take about 1 work-              products identified in this rulemaking
                                                of This AD
                                                                                                         hour per product to comply with the                   action.
                                                  This product has been approved by                      inspection requirements of this AD. The
                                                the aviation authority of another                                                                              Regulatory Findings
                                                                                                         average labor rate is $85 per work-hour.
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                                                country, and is approved for operation                     Based on these figures, we estimate                   We determined that this AD will not
                                                in the United States. Pursuant to our                    the cost of the inspection in this AD on              have federalism implications under
                                                bilateral agreement with this State of                   U.S. operators to be $1,870, or $85 per               Executive Order 13132. This AD will
                                                Design Authority, they have notified us                  product.                                              not have a substantial direct effect on
                                                of the unsafe condition described in the                   We also estimate that it will take                  the States, on the relationship between
                                                MCAI and service information                             about 1 work-hour per product to                      the national Government and the States,
                                                referenced above. We are issuing this                    comply with the replacement                           or on the distribution of power and


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                                                78710            Federal Register / Vol. 81, No. 217 / Wednesday, November 9, 2016 / Rules and Regulations

                                                responsibilities among the various                       loss of engine power, which could result in              (1) Alternative Methods of Compliance
                                                levels of government.                                    emergency landing with consequent damage              (AMOCs): The Manager, Standards Office,
                                                  For the reasons discussed above, I                     to the airplane and occupant injury.                  FAA, has the authority to approve AMOCs
                                                                                                                                                               for this AD, if requested using the procedures
                                                certify that this AD:                                    (f) Actions and Compliance                            found in 14 CFR 39.19. Send information to
                                                  (1) Is not a ‘‘significant regulatory                     Unless already done, do the following              ATTN: Mike Kiesov, Aerospace Engineer,
                                                action’’ under Executive Order 12866,                    actions.                                              FAA, Small Airplane Directorate, 901 Locust,
                                                  (2) Is not a ‘‘significant rule’’ under                   (1) Within the next 50 hours time-in-              Room 301, Kansas City, Missouri 64106;
                                                the DOT Regulatory Policies and                          service (TIS) after November 29, 2016 (the            telephone: (816) 329–4144; fax: (816) 329–
                                                Procedures (44 FR 11034, February 26,                    effective date of this AD) or within the next         4090; email: mike.kiesov@faa.gov. Before
                                                1979),                                                   2 months after November 29, 2016 (the                 using any approved AMOC on any airplane
                                                  (3) Will not affect intrastate aviation                effective date of this AD), whichever occurs          to which the AMOC applies, notify your
                                                                                                         first, and repetitively thereafter at intervals       appropriate principal inspector (PI) in the
                                                in Alaska, and                                                                                                 FAA Flight Standards District Office (FSDO),
                                                                                                         not to exceed 100 hours TIS, inspect the V-
                                                  (4) Will not have a significant                                                                              or lacking a PI, your local FSDO.
                                                                                                         clamp following the Instructions section in
                                                economic impact, positive or negative,                   Diamond Aircraft Industries GmbH (DAI)                   (2) Airworthy Product: For any requirement
                                                on a substantial number of small entities                Work Instruction WI–MSB 40NG–046, dated               in this AD to obtain corrective actions from
                                                under the criteria of the Regulatory                     July 14, 2016, as specified in DAI Mandatory          a manufacturer or other source, use these
                                                Flexibility Act.                                         Service Bulletin MSB 40NG–046/2, dated                actions if they are FAA-approved. Corrective
                                                                                                         July 22, 2016.                                        actions are considered FAA-approved if they
                                                List of Subjects in 14 CFR Part 39                          (2) If any crack or incorrect installation is      are approved by the State of Design Authority
                                                                                                         found during any inspection required in               (or their delegated agent). You are required
                                                  Air transportation, Aircraft, Aviation
                                                                                                         paragraph (f)(1) of this AD, before further           to assure the product is airworthy before it
                                                safety, Incorporation by reference,                                                                            is returned to service.
                                                Safety.                                                  flight, replace the V-clamp with an improved
                                                                                                         V-clamp, P/N D44–9081–26–03. After this                  (3) Reporting Requirements: For any
                                                Adoption of the Amendment                                replacement, continue with the 100 hour TIS           reporting requirement in this AD, a federal
                                                                                                         repetitive inspection required in paragraph           agency may not conduct or sponsor, and a
                                                  Accordingly, under the authority                       (f)(1) of this AD. Do the replacement                 person is not required to respond to, nor
                                                delegated to me by the Administrator,                    following the Instructions section in                 shall a person be subject to a penalty for
                                                the FAA amends 14 CFR part 39 as                         Diamond Aircraft Industries GmbH (DAI)                failure to comply with a collection of
                                                follows:                                                 Work Instruction WI–MSB 40NG–046, dated               information subject to the requirements of
                                                                                                         July 14, 2016, as specified in DAI Mandatory          the Paperwork Reduction Act unless that
                                                PART 39—AIRWORTHINESS                                    Service Bulletin MSB 40NG–046/2, dated                collection of information displays a current
                                                                                                                                                               valid OMB Control Number. The OMB
                                                DIRECTIVES                                               July 22, 2016.
                                                                                                                                                               Control Number for this information
                                                                                                            (3) Unless already replaced as required in
                                                                                                                                                               collection is 2120–0056. Public reporting for
                                                ■ 1. The authority citation for part 39                  paragraph (f)(2) of this AD, within the next
                                                                                                                                                               this collection of information is estimated to
                                                continues to read as follows:                            100 hours TIS after November 29, 2016 (the
                                                                                                                                                               be approximately 5 minutes per response,
                                                                                                         effective date of this AD) or within the next
                                                    Authority: 49 U.S.C. 106(g), 40113, 44701.                                                                 including the time for reviewing instructions,
                                                                                                         4 months after November 29, 2016 (the
                                                                                                                                                               completing and reviewing the collection of
                                                § 39.13   [Amended]                                      effective date of this AD), whichever occurs
                                                                                                                                                               information. All responses to this collection
                                                                                                         first, replace P/N E4A–41–000–002 V-clamp
                                                ■ 2. The FAA amends § 39.13 by adding                                                                          of information are mandatory. Comments
                                                                                                         with an improved P/N D44–9081–26–03 V-
                                                                                                                                                               concerning the accuracy of this burden and
                                                the following new AD:                                    clamp. After this replacement, continue with          suggestions for reducing the burden should
                                                2016–23–03 Diamond Aircraft Industries                   the 100 hour TIS repetitive inspection                be directed to the FAA at: 800 Independence
                                                    GmbH: Amendment 39–18710; Docket                     required in paragraph (f)(1) of this AD. Do the       Ave. SW., Washington, DC 20591, Attn:
                                                    No. FAA–2016–9369; Directorate                       replacement following the Instructions                Information Collection Clearance Officer,
                                                    Identifier 2016–CE–034–AD.                           section in Diamond Aircraft Industries GmbH           AES–200.
                                                                                                         (DAI) Work Instruction WI–MSB 40NG–046,
                                                (a) Effective Date                                       dated July 14, 2016, as specified in DAI              (h) Related Information
                                                   This airworthiness directive (AD) becomes             Mandatory Service Bulletin MSB 40NG–046/                Refer to MCAI European Aviation Safety
                                                effective November 29, 2016.                             2, dated July 22, 2016.                               Agency (EASA) AD No. 2016–0203, dated
                                                                                                            (4) Within 10 days after each inspection           October 10, 2016, and Diamond Aircraft
                                                (b) Affected ADs                                         required in paragraph (f)(1) of this AD, report       Temporary Revision AMM–TR–MÄM 40–
                                                  None.                                                  the results to DAI at the address in paragraph        853/b, dated July 15, 2016, for related
                                                                                                         (i)(3) of this AD using the Execution Report          information. You may examine the MCAI on
                                                (c) Applicability                                        on page 3 of DAI Mandatory Service Bulletin           the Internet at http://www.regulations.gov by
                                                   This AD applies to Diamond Aircraft                   MSB 40NG–046/2, dated July 22, 2016. If the           searching for and locating Docket No. FAA–
                                                Industries GmbH Model DA 40 NG airplanes,                initial inspection was done before November           2016–9369.
                                                all serial numbers, certificated in any                  29, 2016 (the effective date of this AD), then
                                                category.                                                the report for this inspection is required            (i) Material Incorporated by Reference
                                                                                                         within 10 days after November 29, 2016 (the              (1) The Director of the Federal Register
                                                (d) Subject                                              effective date of this AD).                           approved the incorporation by reference
                                                  Air Transport Association of America                      (5) At the following compliance times,             (IBR) of the service information listed in this
                                                (ATA) Code 81: Turbocharging.                            installing a V-clamp P/N E4A–41–000–002 is            paragraph under 5 U.S.C. 552(a) and 1 CFR
                                                                                                         prohibited.                                           part 51.
                                                (e) Reason                                                                                                        (2) You must use this service information
                                                                                                            (i) Anytime a P/N E4A–41–000–002 V-
                                                   This AD was prompted by mandatory                     clamp is replaced with an improved P/N                as applicable to do the actions required by
                                                continuing airworthiness information (MCAI)              D44–9081–126–03 V-clamp, as required by               this AD, unless this AD specifies otherwise.
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                                                issued by the aviation authority of another              paragraphs (f)(2) and (3) of this AD; and                (i) Diamond Aircraft Industries GmbH
                                                country to identify and correct an unsafe                   (ii) As of November 29, 2016 (the effective        Mandatory Service Bulletin MSB 40NG–046/
                                                condition on an aviation product. The MCAI               date of this AD), if a P/N E4A–41–000–002             2, dated July 22, 2016.
                                                describes the unsafe condition as                        V-clamp is not currently installed.                      (ii) Diamond Aircraft Industries GmbH
                                                manufacturing quality deficiency in a batch                                                                    Work Instruction WI–MSB 40NG–046, dated
                                                of V-clamps that could cause the V-clamp to              (g) Other FAA AD Provisions                           July 14, 2016.
                                                crack and fail. We are issuing this AD to                   The following provisions also apply to this           (3) For Diamond Aircraft Industries GmbH
                                                prevent failure of the V-clamp and possible              AD:                                                   service information identified in this AD,



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                                                                 Federal Register / Vol. 81, No. 217 / Wednesday, November 9, 2016 / Rules and Regulations                                       78711

                                                contact Diamond Aircraft Industries GmbH,                DATES:  This AD is effective December                 well, resulting in a hole in a hydraulic
                                                N.A. Otto-Stra+e 5, A–2700 Wiener Neustadt,              14, 2016.                                             tube and consequent total loss of system
                                                Austria, telephone: +43 2622 26700; fax: +43                The Director of the Federal Register               B hydraulic fluid. The NPRM proposed
                                                2622 26780; email: office@diamond-air.at;
                                                                                                         approved the incorporation by reference               to require an inspection for chafing
                                                Internet: http://www.diamondaircraft.com.
                                                   (4) You may view this service information             of a certain publication listed in this AD            damage of wire bundles and a hydraulic
                                                at the FAA, Small Airplane Directorate, 901              as of December 14, 2016.                              tube in the right side of the MLG wheel
                                                Locust, Kansas City, Missouri 64106. For                 ADDRESSES: For service information                    well, and corrective action if necessary;
                                                information on the availability of this                  identified in this final rule, contact                and installation of clamps between the
                                                material at the FAA, call (816) 329–4148. It             Boeing Commercial Airplanes,                          wire bundles and hydraulic tube. We
                                                is also available on the Internet at http://                                                                   are issuing this AD to prevent chafing
                                                                                                         Attention: Contractual & Data Services
                                                www.regulations.gov by searching for
                                                                                                         (C&DS), 2600 Westminster Blvd., MC                    damage, which could result in electrical
                                                locating Docket No. FAA–2016–9369.
                                                   (5) You may view this service information             110–SK57, Seal Beach, CA 90740–5600;                  arcing that can cause a hole in the
                                                that is incorporated by reference at the                 telephone 562–797–1717; Internet                      hydraulic tube and consequent loss of
                                                National Archives and Records                            https://www.myboeingfleet.com. You                    hydraulic fluid, possibly resulting in a
                                                Administration (NARA). For information on                may view this referenced service                      fire in the MLG wheel well.
                                                the availability of this material at NARA, call          information at the FAA, Transport
                                                202–741–6030, or go to: http://                                                                                Comments
                                                                                                         Airplane Directorate, 1601 Lind Avenue
                                                www.archives.gov/federal-register/cfr/ibr-                                                                       We gave the public the opportunity to
                                                locations.html.                                          SW., Renton, WA. For information on
                                                                                                         the availability of this material at the              participate in developing this AD. The
                                                  Issued in Kansas City, Missouri, on                    FAA, call 425–227–1221. It is also                    following presents the comments
                                                October 31, 2016.                                                                                              received on the NPRM and the FAA’s
                                                                                                         available on the Internet at http://
                                                Pat Mullen,                                              www.regulations.gov by searching for                  response to each comment.
                                                Acting Manager, Small Airplane Directorate,              and locating Docket No. FAA–2016–
                                                Aircraft Certification Service.                                                                                Support for the NPRM
                                                                                                         0462.
                                                [FR Doc. 2016–26808 Filed 11–8–16; 8:45 am]                                                                      The Air Line Pilots Association,
                                                BILLING CODE 4910–13–P                                   Examining the AD Docket                               International and an anonymous
                                                                                                           You may examine the AD docket on                    commenter supported the NPRM.
                                                                                                         the Internet at http://                               Request for Clarification
                                                DEPARTMENT OF TRANSPORTATION                             www.regulations.gov by searching for
                                                                                                         and locating Docket No. FAA–2016–                        The European Aviation Safety Agency
                                                Federal Aviation Administration                                                                                (EASA) requested that we respond to
                                                                                                         0462; or in person at the Docket
                                                                                                         Management Facility between 9 a.m.                    the following questions.
                                                14 CFR Part 39                                                                                                    • EASA stated that the NPRM looks
                                                                                                         and 5 p.m., Monday through Friday,
                                                                                                                                                               very similar to AD 2013–19–03,
                                                [Docket No. FAA–2016–0462; Directorate                   except Federal holidays. The AD docket
                                                Identifier 2015–NM–144–AD; Amendment                                                                           Amendment 39–17585 (78 FR 59798,
                                                                                                         contains this AD, the regulatory
                                                39–18703; AD 2016–22–14]                                                                                       September 30, 2013) (‘‘AD 2013–19–
                                                                                                         evaluation, any comments received, and
                                                                                                                                                               03’’). EASA asked if there is a more
                                                RIN 2120–AA64                                            other information. The address for the
                                                                                                                                                               fundamental problem with wiring
                                                                                                         Docket Office (phone: 800–647–5527) is
                                                Airworthiness Directives; The Boeing                                                                           harnesses in the landing gear bay in the
                                                                                                         Docket Management Facility, U.S.
                                                Company Airplanes                                                                                              Model 737 fleet.
                                                                                                         Department of Transportation, Docket
                                                                                                                                                                  We agree that the unsafe conditions
                                                                                                         Operations, M–30, West Building
                                                AGENCY:  Federal Aviation                                                                                      identified in this AD and in AD 2013–
                                                                                                         Ground Floor, Room W12–140, 1200
                                                Administration (FAA), DOT.                                                                                     19–03 are similar; however, the reasons
                                                                                                         New Jersey Avenue SE., Washington,
                                                ACTION: Final rule.                                                                                            for the unsafe conditions, and the
                                                                                                         DC 20590.
                                                                                                                                                               associated corrective actions in these
                                                SUMMARY:    We are adopting a new                        FOR FURTHER INFORMATION CONTACT:                      ADs, differ. This difference is due to the
                                                airworthiness directive (AD) for certain                 Sean J. Schauer, Aerospace Engineer,                  occurrence of wire chafing in different
                                                The Boeing Company Model 737–600,                        Systems and Equipment Branch, ANM–                    locations in the landing gear bay. The
                                                –700, –700C, –800, –900, and –900ER                      130S, FAA, Seattle Aircraft Certification             underlying issue is limited space for the
                                                series airplanes. This AD was prompted                   Office (ACO), 1601 Lind Avenue SW.,                   electrical system routing in the landing
                                                by a report of wire chafing damage,                      Renton, WA. 98057–3356; phone: 425–                   gear bay.
                                                which caused an electrical arc to an                     917–6479; fax: 425–917–6590; email:                      • EASA asked whether there is
                                                adjacent hydraulic tube located on the                   sean.schauer@faa.gov.                                 sufficient accessibility to inspect the
                                                forward bulkhead of the main landing                     SUPPLEMENTARY INFORMATION:                            affected area.
                                                gear (MLG) wheel well, resulting in a                                                                             We have determined that there is
                                                hole in a hydraulic tube and consequent                  Discussion
                                                                                                                                                               sufficient space to inspect the landing
                                                total loss of system B hydraulic fluid.                    We issued a notice of proposed                      gear bay.
                                                This AD requires an inspection for                       rulemaking (NPRM) to amend 14 CFR                        • EASA asked why the spacer is only
                                                chafing damage of wire bundles and a                     part 39 by adding an AD that would                    an optional action.
                                                hydraulic tube in the right side of the                  apply to certain The Boeing Company                      The source of service information that
                                                MLG wheel well, and corrective action                    Model 737–600, –700, –700C, –800,                     we reference in this AD, Boeing Alert
                                                if necessary; and installation of clamps                 –900, and –900ER series airplanes. The                Service Bulletin 737–29A1119, Revision
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                                                between the wire bundles and hydraulic                   NPRM published in the Federal                         1, dated June 23, 2016 (‘‘ASB 737–
                                                tube. We are issuing this AD to prevent                  Register on February 8, 2016 (81 FR                   29A1119 R1’’), specifies that the spacer
                                                chafing damage, which could result in                    6475) (‘‘the NPRM’’). The NPRM was                    addition is optional for cases where
                                                electrical arcing that can cause a hole in               prompted by a report of wire chafing                  additional spacing is needed to allow
                                                the hydraulic tube and consequent loss                   damage, which caused an electrical arc                adequate clearance.
                                                of hydraulic fluid, possibly resulting in                to an adjacent hydraulic tube located on                 • EASA asked what measures have
                                                a fire in the MLG wheel well.                            the forward bulkhead of the MLG wheel                 been put in place to ensure the safety of


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Document Created: 2016-11-09 01:39:21
Document Modified: 2016-11-09 01:39:21
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule; request for comments.
DatesThis AD is effective November 29, 2016.
ContactMike Kiesov, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4144; fax: (816) 329-4090; email: [email protected]
FR Citation81 FR 78708 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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