80_FR_74267 80 FR 74039 - Airworthiness Directives; Fokker Services B.V. Airplanes

80 FR 74039 - Airworthiness Directives; Fokker Services B.V. Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 80, Issue 228 (November 27, 2015)

Page Range74039-74042
FR Document2015-30007

We propose to adopt a new airworthiness directive (AD) for certain Fokker Services B.V. Model F.28 Mark 0070 and 0100 airplanes. This proposed AD was prompted by a design review that revealed that a wiring failure, external to the center wing fuel tank, could cause a hot short circuit to a maximum level sensor wire, and result in excessive heating of the maximum level sensor element. This proposed AD would require modifying the wiring of the maximum level sensors in the center wing fuel tank, performing after-installation tests, and corrective action if necessary. This proposed AD would also require revising the airplane maintenance or inspection program to incorporate fuel airworthiness limitation items and critical design configuration control limitations. We are proposing this AD to prevent the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.

Federal Register, Volume 80 Issue 228 (Friday, November 27, 2015)
[Federal Register Volume 80, Number 228 (Friday, November 27, 2015)]
[Proposed Rules]
[Pages 74039-74042]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2015-30007]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2015-5810; Directorate Identifier 2014-NM-116-AD]
RIN 2120-AA64


Airworthiness Directives; Fokker Services B.V. Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: We propose to adopt a new airworthiness directive (AD) for 
certain Fokker Services B.V. Model F.28 Mark 0070 and 0100 airplanes. 
This proposed AD was prompted by a design review that revealed that a 
wiring failure, external to the center wing fuel tank, could cause a 
hot short circuit to a maximum level sensor wire, and result

[[Page 74040]]

in excessive heating of the maximum level sensor element. This proposed 
AD would require modifying the wiring of the maximum level sensors in 
the center wing fuel tank, performing after-installation tests, and 
corrective action if necessary. This proposed AD would also require 
revising the airplane maintenance or inspection program to incorporate 
fuel airworthiness limitation items and critical design configuration 
control limitations. We are proposing this AD to prevent the potential 
of ignition sources inside fuel tanks, which, in combination with 
flammable fuel vapors, could result in fuel tank explosions and 
consequent loss of the airplane.

DATES: We must receive comments on this proposed AD by January 11, 
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, between 9 a.m. and 5 p.m., Monday 
through Friday, except Federal holidays.
    For service information identified in this proposed AD, contact 
Fokker Services B.V., Technical Services Dept., P.O. Box 1357, 2130 EL 
Hoofddorp, the Netherlands; telephone +31 (0)88-6280-350; fax +31 
(0)88-6280-111; email technicalservices@fokker.com; Internet http://www.myfokkerfleet.com. You may view this referenced service information 
at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., 
Renton, WA. For information on the availability of this material at the 
FAA, call 425-227-1221.

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-2015-
5810; 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 proposed AD, the regulatory evaluation, any comments 
received, and other information. The street address for the Docket 
Operations 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: Tom Rodriguez, Aerospace Engineer, 
International Branch, ANM-116, Transport Airplane Directorate, FAA, 
1601 Lind Avenue SW., Renton, WA 98057-3356; telephone 425-227-1137; 
fax 425-227-1149.

SUPPLEMENTARY INFORMATION: 

Comments Invited

    We invite you to send any written relevant data, views, or 
arguments about this proposed AD. Send your comments to an address 
listed under the ADDRESSES section. Include ``Docket No. FAA-2015-5810; 
Directorate Identifier 2014-NM-116-AD'' at the beginning of your 
comments. We specifically invite comments on the overall regulatory, 
economic, environmental, and energy aspects of this proposed AD. We 
will consider all comments received by the closing date and may amend 
this proposed AD based on 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 proposed AD.

Discussion

    The European Aviation Safety Agency (EASA), which is the Technical 
Agent for the Member States of the European Union, has issued EASA 
Airworthiness Directive 2014-0138, dated May 30, 2014 (referred to 
after this as the Mandatory Continuing Airworthiness Information, or 
``the MCAI''), to correct an unsafe condition for certain Fokker 
Services B.V. Model F.28 Mark 0070 and 0100 airplanes. The MCAI states:

    * * * [T]he FAA published Special Federal Aviation Regulation 
(SFAR) 88, and the Joint Aviation Authorities (JAA) published 
Interim Policy INT/POL/25/12.
    The review conducted by Fokker Services on the Fokker 70/100 
design, in response to these regulations, revealed that a wiring 
failure, external to the centre wing fuel tank, causing a hot short 
circuit to a maximum (max) level sensor wire may result in excessive 
heating of the max level sensor element.
    This condition, if not corrected, could create an ignition 
source in the centre wing fuel tank vapour space, possibly resulting 
in a fuel tank explosion and consequent loss of the aeroplane.
    EASA issued AD 2012-0240 [http://ad.easa.europa.eu/blob/easa_ad_2012_0240.pdf/AD_2012-0240], to address this unsafe 
condition, which required installation of three fuses in the wiring 
of the max level sensor(s) in the centre wing fuel tank per Fokker 
Services Service Bulletin (SB) SBF100-28-073. After that AD was 
issued, it was found that this technical solution caused fuel spills 
during refueling and, consequently, EASA cancelled AD 2012-0240.
    More recently, Fokker Services issued SBF100-28-078, which 
cancelled SBF100-28-073, to correct the unsafe condition without the 
risk of fuel spills.
    For the reasons described above, this [EASA] AD requires removal 
of one fuse from post-SBF100-28-073 aeroplanes, and installation of 
only two fuses on pre-SBF100-28-073 aeroplanes and, subsequently, 
the implementation of the associated Critical Design Configuration 
Control Limitation (CDCCL) items.
    More information this subject can be found in Fokker Services 
All Operators Message AOF100.186#03.

    You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. 
FAA-2015-5810.
    The FAA has examined the underlying safety issues involved in fuel 
tank explosions on several large transport airplanes, including the 
adequacy of existing regulations, the service history of airplanes 
subject to those regulations, and existing maintenance practices for 
fuel tank systems. As a result of those findings, we issued a 
regulation titled ``Transport Airplane Fuel Tank System Design Review, 
Flammability Reduction and Maintenance and Inspection Requirements'' 
(66 FR 23086, May 7, 2001). In addition to new airworthiness standards 
for transport airplanes and new maintenance requirements, this rule 
included Special Federal Aviation Regulation No. 88 (``SFAR 88,'' 
Amendment 21-78, and subsequent Amendments 21-82 and 21-83).
    Among other actions, SFAR 88 requires certain type design (i.e., 
type certificate (TC) and supplemental type certificate (STC)) holders 
to substantiate that their fuel tank systems can prevent ignition 
sources in the fuel tanks. This requirement applies to type design 
holders for large turbine-powered transport airplanes and for 
subsequent modifications to those airplanes. It requires them to 
perform design reviews and to develop design changes and maintenance 
procedures if their designs do not meet the new fuel tank safety 
standards. As explained in the preamble to the rule, we intended to 
adopt airworthiness directives to mandate any changes found necessary 
to address unsafe conditions identified as a result of these reviews.
    In evaluating these design reviews, we have established four 
criteria intended to define the unsafe conditions associated with fuel 
tank systems that

[[Page 74041]]

require corrective actions. The percentage of operating time during 
which fuel tanks are exposed to flammable conditions is one of these 
criteria. The other three criteria address the failure types under 
evaluation: single failures, combination of failures, and unacceptable 
(failure) experience. For all three failure criteria, the evaluations 
included consideration of previous actions taken that may mitigate the 
need for further action.
    The Joint Aviation Authorities (JAA) has issued a regulation that 
is similar to SFAR 88. (The JAA is an associated body of the European 
Civil Aviation Conference (ECAC) representing the civil aviation 
regulatory authorities of a number of European States who have agreed 
to co-operate in developing and implementing common safety regulatory 
standards and procedures.) Under this regulation, the JAA stated that 
all members of the ECAC that hold type certificates for transport 
category airplanes are required to conduct a design review against 
explosion risks.
    We have determined that the actions identified in this AD are 
necessary to reduce the potential of ignition sources inside fuel 
tanks, which, in combination with flammable fuel vapors, could result 
in fuel tank explosions and consequent loss of the airplane.

Related Service Information Under CFR Part 51

    Fokker has issued Service Bulletin SBF100-28-078, dated January 23, 
2014. The service information describes procedures for modifying the 
wiring of the maximum level sensors in the center wing fuel tank, 
after-installation tests, and corrective action if necessary. 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 NPRM.

FAA's Determination and Requirements of This Proposed 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 the State of Design Authority, we have 
been notified of the unsafe condition described in the MCAI and service 
information referenced above. We are proposing this AD because we 
evaluated all pertinent information and determined an unsafe condition 
exists and is likely to exist or develop on other products of the same 
type design.

Costs of Compliance

    We estimate that this proposed AD affects 15 airplanes of U.S. 
registry.
    We also estimate that it would take up to 9 work-hours per product 
to modify the wiring of the maximum level sensors in the center wing 
fuel tank, as specified in this proposed AD. The average labor rate is 
$85 per work-hour. Required parts would cost about $1,700 per product. 
Based on these figures, we estimate the cost of this proposed 
modification on U.S. operators to be up to $36,975, or up to $2,465 per 
product.
    We also estimate that it would take about 1 work-hour per product 
to revise the maintenance or inspection program as specified in this 
proposed AD. The average labor rate is $85 per work-hour. Based on 
these figures, we estimate the cost of this proposed revision on U.S. 
operators to be $1,275, or $85 per product.

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 proposed AD would not have federalism 
implications under Executive Order 13132. This proposed AD would 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 responsibilities among the various levels of government.
    For the reasons discussed above, I certify this proposed 
regulation:
    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.

The Proposed Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA proposes to amend 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 airworthiness 
directive (AD):

Fokker Services B.V.: Docket No. FAA-2015-5810; Directorate 
Identifier 2014-NM-116-AD.

(a) Comments Due Date

    We must receive comments by January 11, 2016.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Fokker Services B.V. Model F.28 Mark 0070 and 
0100 airplanes, certificated in any category, equipped with a center 
wing tank.

(d) Subject

    Air Transport Association (ATA) of America Code 28, Fuel.

(e) Reason

    This AD was prompted by a design review which revealed that a 
wiring failure, external to the center wing fuel tank, could cause a 
hot short circuit to a maximum level sensor wire, and result in 
excessive heating of the maximum level sensor element. We are 
issuing this AD to prevent the potential of ignition sources inside 
fuel tanks, which, in combination with flammable fuel vapors, could 
result in fuel tank explosions and consequent loss of the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Wiring Modification

    Within 24 months after the effective date of this AD: Modify the 
wiring of the maximum level sensors of the center wing fuel tank, as 
specified in paragraph (g)(1) or (g)(2) of this AD, as applicable. 
Before further flight after accomplishing the modification,

[[Page 74042]]

do all applicable tests and corrective actions, in accordance with 
Part 5 of the Accomplishment Instructions of Fokker Service Bulletin 
SBF100-28-078, dated January 23, 2014.
    (1) For post-SBF100-28-073 configuration airplanes: Do the 
modification in accordance with Part 1 or Part 3, as applicable, of 
the Accomplishment Instructions of Fokker Service Bulletin SBF100-
28-078, dated January 23, 2014.
    (2) For pre-SBF100-28-073 configuration airplanes: Do the 
modification in accordance with Part 2 or Part 4, as applicable, of 
the Accomplishment Instructions of Fokker Service Bulletin SBF100-
28-078, dated January 23, 2014.

(h) Revise Maintenance or Inspection Program

    Within 30 days after installing the modification specified in 
paragraph (g)(1) or (g)(2) of this AD, as applicable: Revise the 
airplane maintenance or inspection program, as applicable, to 
incorporate the fuel airworthiness limitation items and critical 
design configuration control limitations (CDCCLs) specified in 
paragraph 2.L.(1)(c) of Fokker Service Bulletin SBF100-28-078, dated 
January 23, 2014.

(i) No Alternative Actions, Intervals, and/or CDCCLs

    After accomplishing the revision required by paragraph (h) of 
this AD, no alternative actions (e.g., inspections), intervals, or 
CDCCLs may be used unless the actions, intervals, or CDCCLs are 
approved as an alternative method of compliance in accordance with 
the procedures specified in paragraph (j)(1) of this AD.

(j) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
International Branch, ANM-116, FAA, has the authority to approve 
AMOCs for this AD, if requested using the procedures found in 14 CFR 
39.19. In accordance with 14 CFR 39.19, send your request to your 
principal inspector or local Flight Standards District Office, as 
appropriate. If sending information directly to the International 
Branch, send it to ATTN: Tom Rodriguez, Aerospace Engineer, 
International Branch, ANM-116, Transport Airplane Directorate, FAA, 
1601 Lind Avenue SW., Renton, WA 98057-3356; telephone 425-227-1137; 
fax 425-227-1149. Information may be emailed to: 9-ANM-116-AMOC-REQUESTS@faa.gov. Before using any approved AMOC, notify your 
appropriate principal inspector, or lacking a principal inspector, 
the manager of the local flight standards district office/
certificate holding district office.
    (2) Contacting the Manufacturer: As of the effective date of 
this AD, for any requirement in this AD to obtain corrective actions 
from a manufacturer, the action must be accomplished using a method 
approved by the Manager, International Branch, ANM-116, Transport 
Airplane Directorate, FAA; or the European Aviation Safety Agency 
(EASA); or Fokker B.V. Service's EASA Design Organization Approval 
(DOA). If approved by the DOA, the approval must include the DOA-
authorized signature.

(k) Related Information

    (1) Refer to Mandatory Continuing Airworthiness Information 
(MCAI) EASA Airworthiness Directive 2014-0138, dated May 30, 2014, 
for related information. This MCAI may be found in the AD docket on 
the Internet at http://www.regulations.gov by searching for and 
locating it in Docket No. FAA-2015-5810.
    (2) For service information identified in this AD, contact 
Fokker Services B.V., Technical Services Dept., P.O. Box 1357, 2130 
EL Hoofddorp, the Netherlands; telephone +31 (0)88-6280-350; fax +31 
(0)88-6280-111; email technicalservices@fokker.com; Internet http://www.myfokkerfleet.com. You may view this service information at the 
FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, 
WA. For information on the availability of this material at the FAA, 
call 425-227-1221.

    Issued in Renton, Washington, on November 17, 2015.
Jeffrey E. Duven,
Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2015-30007 Filed 11-25-15; 8:45 am]
 BILLING CODE 4910-13-P



                                                                          Federal Register / Vol. 80, No. 228 / Friday, November 27, 2015 / Proposed Rules                                          74039

                                                         cooling mode, calculated in section                                                           Annual       t = number of annual operating time in
                                                         4.1.1.2 of this appendix.                                    Operating mode                  operating          each mode, in hours.
                                                                                                                                                        hours       k = 0.001 kWh/Wh conversion factor
                                                      5.2 Seasonally Adjusted Cooling
                                                    Capacity. Calculate the seasonally                      Cooling Mode, Single-Duct ...........               750      from watt-hours to kilowatt-hours.
                                                    adjusted cooling capacity for portable                  Off-Cycle .......................................   880    Total annual energy consumption in
                                                    air conditioners, SACC, expressed in                    Inactive or Off ...............................   1,355
                                                                                                                                                                    all modes except cooling, is calculated
                                                    Btu/h, according to the following:                        1 These operating mode hours are for the              according to the following:
                                                    SACC = ACC95 × 0.2 + ACC83 × 0.8                        purposes of calculating annual energy con-
                                                    Where:                                                  sumption under different ambient conditions AECT = èmAECm
                                                                                                            for dual-duct portable air conditioners, and are
                                                    ACC95 and ACC83 = adjusted cooling                      not a division of the total cooling mode oper-        Where:
                                                         capacity, in Btu/h, calculated in                  ating hours. The total dual-duct cooling mode         AECT = total annual energy
                                                         section 5.1 of this appendix.                      operating hours are 750 hours.                            consumption attributed to all
                                                    0.2 = weighting factor for ACC95.                   AECm = Pm × tm × k                                            modes except cooling, in kWh/year;
                                                    0.8 = weighting factor for ACC83.                                                                             AECm = total annual energy
                                                                                                        Where:
                                                      5.3 Annual Energy Consumption.                    AECm = annual energy consumption in                           consumption in each mode, in
                                                    Calculate the annual energy                             each mode, in kWh/year.                                   kWh/year.
                                                    consumption in each operating mode,                 Pm = average power in each mode, in                       m represents the operating modes
                                                    AECm, expressed in kilowatt-hours per                   watts.                                                    included in AECT (‘‘oc’’ off-cycle,
                                                    year (kWh/year). The annual hours of                m represents the operating mode (‘‘95’’                       and ‘‘im’’ inactive or ‘‘om’’ off
                                                    operation in each mode are estimated as                 and ‘‘83’’ cooling mode at the 95 °F                      mode).
                                                    follows:                                                and 83 °F dry-bulb outdoor
                                                                                                            conditions, respectively for dual-                      5.4 Combined Energy Efficiency
                                                                                               Annual       duct portable air conditioners, ‘‘SD’’                Ratio. Using the annual operating hours,
                                                              Operating mode                  operating
                                                                                                hours       cooling mode for single-duct                          as outlined in section 5.3 of this
                                                                                                            portable air conditioners, ‘‘oc’’ off-                appendix, calculate the combined
                                                    Cooling Mode, Dual-Duct 95 °F 1                 750     cycle, and ‘‘ia’’ inactive or ‘‘om’’ off              energy efficiency ratio, CEER, expressed
                                                    Cooling Mode, Dual-Duct 83 °F 1                 750     mode).                                                in Btu/Wh, according to the following:




                                                    Where:                                                       calculated in section 5.3 of this                DEPARTMENT OF TRANSPORTATION
                                                    CEERSD and CEERDD = combined energy                          appendix.
                                                       efficiency ratio for single-duct and                                                                       Federal Aviation Administration
                                                                                                            t = number of cooling mode hours per
                                                       dual-duct portable air conditioners,                      year, 750.
                                                       respectively, in Btu/Wh.                                                                                   14 CFR Part 39
                                                    ACC95 and ACC83 = adjusted cooling                      k = 0.001 kWh/Wh conversion factor for
                                                                                                                                                                  [Docket No. FAA–2015–5810; Directorate
                                                       capacity, tested at the 95 °F and                         watt-hours to kilowatt-hours.
                                                                                                                                                                  Identifier 2014–NM–116–AD]
                                                       83 °F dry-bulb outdoor conditions                    0.2 = weighting factor for the 95 °F dry-
                                                       in Table 1 of this appendix, in Btu/                                                                       RIN 2120–AA64
                                                                                                                 bulb outdoor condition test.
                                                       h, calculated in section 5.1 of this                 0.8 = weighting factor for the 83 °F dry-             Airworthiness Directives; Fokker
                                                       appendix.
                                                    AECSD = annual energy consumption in                         bulb outdoor condition test.                     Services B.V. Airplanes
                                                       cooling mode for single-duct                         [FR Doc. 2015–30057 Filed 11–25–15; 8:45 am]
                                                                                                                                                                  AGENCY: Federal Aviation
                                                       portable air conditioners, in kWh/                   BILLING CODE 6450–01–P                                Administration (FAA), DOT.
                                                       year, calculated in section 5.3 of                                                                         ACTION: Notice of proposed rulemaking
                                                       this appendix.                                                                                             (NPRM).
                                                    AEC95 and AEC83 = annual energy
                                                       consumption for the two cooling                                                                            SUMMARY:   We propose to adopt a new
mstockstill on DSK4VPTVN1PROD with PROPOSALS




                                                       mode test conditions in Table 1 of                                                                         airworthiness directive (AD) for certain
                                                       this appendix for dual-duct portable                                                                       Fokker Services B.V. Model F.28 Mark
                                                       air conditioners, in kWh/year,                                                                             0070 and 0100 airplanes. This proposed
                                                       calculated in section 5.3 of this                                                                          AD was prompted by a design review
                                                       appendix.                                                                                                  that revealed that a wiring failure,
                                                    AECT = total annual energy                                                                                    external to the center wing fuel tank,
                                                       consumption attributed to all                                                                              could cause a hot short circuit to a
                                                                                                                                                                                                              EP27NO15.012</GPH>




                                                       modes except cooling, in kWh/year,                                                                         maximum level sensor wire, and result


                                               VerDate Sep<11>2014   16:45 Nov 25, 2015   Jkt 238001   PO 00000   Frm 00036   Fmt 4702   Sfmt 4702   E:\FR\FM\27NOP1.SGM   27NOP1


                                                    74040                 Federal Register / Vol. 80, No. 228 / Friday, November 27, 2015 / Proposed Rules

                                                    in excessive heating of the maximum                     be available in the AD docket shortly                 SBF100–28–073. After that AD was issued, it
                                                    level sensor element. This proposed AD                  after receipt.                                        was found that this technical solution caused
                                                    would require modifying the wiring of                                                                         fuel spills during refueling and,
                                                                                                            FOR FURTHER INFORMATION CONTACT: Tom
                                                    the maximum level sensors in the center                                                                       consequently, EASA cancelled AD 2012–
                                                                                                            Rodriguez, Aerospace Engineer,                        0240.
                                                    wing fuel tank, performing after-                       International Branch, ANM–116,                          More recently, Fokker Services issued
                                                    installation tests, and corrective action               Transport Airplane Directorate, FAA,                  SBF100–28–078, which cancelled SBF100–
                                                    if necessary. This proposed AD would                    1601 Lind Avenue SW., Renton, WA                      28–073, to correct the unsafe condition
                                                    also require revising the airplane                      98057–3356; telephone 425–227–1137;                   without the risk of fuel spills.
                                                    maintenance or inspection program to                    fax 425–227–1149.                                       For the reasons described above, this
                                                    incorporate fuel airworthiness                                                                                [EASA] AD requires removal of one fuse from
                                                                                                            SUPPLEMENTARY INFORMATION:
                                                    limitation items and critical design                                                                          post-SBF100–28–073 aeroplanes, and
                                                    configuration control limitations. We                   Comments Invited                                      installation of only two fuses on pre-SBF100–
                                                    are proposing this AD to prevent the                                                                          28–073 aeroplanes and, subsequently, the
                                                                                                              We invite you to send any written                   implementation of the associated Critical
                                                    potential of ignition sources inside fuel               relevant data, views, or arguments about              Design Configuration Control Limitation
                                                    tanks, which, in combination with                       this proposed AD. Send your comments                  (CDCCL) items.
                                                    flammable fuel vapors, could result in                  to an address listed under the                          More information this subject can be found
                                                    fuel tank explosions and consequent                     ADDRESSES section. Include ‘‘Docket No.               in Fokker Services All Operators Message
                                                    loss of the airplane.                                   FAA–2015–5810; Directorate Identifier                 AOF100.186#03.
                                                    DATES: We must receive comments on                      2014–NM–116–AD’’ at the beginning of                     You may examine the MCAI in the
                                                    this proposed AD by January 11, 2016.                   your comments. We specifically invite                 AD docket on the Internet at http://
                                                    ADDRESSES: You may send comments by                     comments on the overall regulatory,                   www.regulations.gov by searching for
                                                    any of the following methods:                           economic, environmental, and energy                   and locating it in Docket No. FAA–
                                                       • Federal eRulemaking Portal: Go to                  aspects of this proposed AD. We will                  2015–5810.
                                                    http://www.regulations.gov. Follow the                  consider all comments received by the                    The FAA has examined the
                                                    instructions for submitting comments.                   closing date and may amend this                       underlying safety issues involved in fuel
                                                       • Fax: (202) 493–2251.                               proposed AD based on those comments.                  tank explosions on several large
                                                       • Mail: U.S. Department of                             We will post all comments we                        transport airplanes, including the
                                                    Transportation, Docket Operations, M–                   receive, without change, to http://                   adequacy of existing regulations, the
                                                    30, West Building Ground Floor, Room                    www.regulations.gov, including any                    service history of airplanes subject to
                                                    W12–140, 1200 New Jersey Avenue SE.,                    personal information you provide. We                  those regulations, and existing
                                                    Washington, DC 20590.                                   will also post a report summarizing each              maintenance practices for fuel tank
                                                       • Hand Delivery: U.S. Department of                  substantive verbal contact we receive                 systems. As a result of those findings,
                                                    Transportation, Docket Operations, M–                   about this proposed AD.                               we issued a regulation titled ‘‘Transport
                                                    30, West Building Ground Floor, Room                                                                          Airplane Fuel Tank System Design
                                                                                                            Discussion
                                                    W12–140, 1200 New Jersey Avenue SE.,                                                                          Review, Flammability Reduction and
                                                    Washington, DC, between 9 a.m. and 5                      The European Aviation Safety Agency                 Maintenance and Inspection
                                                    p.m., Monday through Friday, except                     (EASA), which is the Technical Agent                  Requirements’’ (66 FR 23086, May 7,
                                                    Federal holidays.                                       for the Member States of the European                 2001). In addition to new airworthiness
                                                       For service information identified in                Union, has issued EASA Airworthiness                  standards for transport airplanes and
                                                    this proposed AD, contact Fokker                        Directive 2014–0138, dated May 30,                    new maintenance requirements, this
                                                    Services B.V., Technical Services Dept.,                2014 (referred to after this as the                   rule included Special Federal Aviation
                                                    P.O. Box 1357, 2130 EL Hoofddorp, the                   Mandatory Continuing Airworthiness                    Regulation No. 88 (‘‘SFAR 88,’’
                                                    Netherlands; telephone +31 (0)88–6280–                  Information, or ‘‘the MCAI’’), to correct             Amendment 21–78, and subsequent
                                                    350; fax +31 (0)88–6280–111; email                      an unsafe condition for certain Fokker                Amendments 21–82 and 21–83).
                                                    technicalservices@fokker.com; Internet                  Services B.V. Model F.28 Mark 0070                       Among other actions, SFAR 88
                                                    http://www.myfokkerfleet.com. You may                   and 0100 airplanes. The MCAI states:                  requires certain type design (i.e., type
                                                    view this referenced service information                   * * * [T]he FAA published Special                  certificate (TC) and supplemental type
                                                    at the FAA, Transport Airplane                          Federal Aviation Regulation (SFAR) 88, and            certificate (STC)) holders to substantiate
                                                    Directorate, 1601 Lind Avenue SW.,                      the Joint Aviation Authorities (JAA)                  that their fuel tank systems can prevent
                                                    Renton, WA. For information on the                      published Interim Policy INT/POL/25/12.               ignition sources in the fuel tanks. This
                                                    availability of this material at the FAA,                  The review conducted by Fokker Services            requirement applies to type design
                                                    call 425–227–1221.                                      on the Fokker 70/100 design, in response to           holders for large turbine-powered
                                                                                                            these regulations, revealed that a wiring             transport airplanes and for subsequent
                                                    Examining the AD Docket                                 failure, external to the centre wing fuel tank,
                                                                                                                                                                  modifications to those airplanes. It
                                                                                                            causing a hot short circuit to a maximum
                                                       You may examine the AD docket on                     (max) level sensor wire may result in                 requires them to perform design reviews
                                                    the Internet at http://                                 excessive heating of the max level sensor             and to develop design changes and
                                                    www.regulations.gov by searching for                    element.                                              maintenance procedures if their designs
                                                    and locating Docket No. FAA–2015–                          This condition, if not corrected, could            do not meet the new fuel tank safety
                                                    5810; or in person at the Docket                        create an ignition source in the centre wing          standards. As explained in the preamble
                                                    Management Facility between 9 a.m.                      fuel tank vapour space, possibly resulting in         to the rule, we intended to adopt
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                                                    and 5 p.m., Monday through Friday,                      a fuel tank explosion and consequent loss of          airworthiness directives to mandate any
                                                    except Federal holidays. The AD docket                  the aeroplane.                                        changes found necessary to address
                                                    contains this proposed AD, the                             EASA issued AD 2012–0240 [http://
                                                                                                                                                                  unsafe conditions identified as a result
                                                                                                            ad.easa.europa.eu/blob/easa_ad_2012_
                                                    regulatory evaluation, any comments                     0240.pdf/AD_2012-0240], to address this               of these reviews.
                                                    received, and other information. The                    unsafe condition, which required installation            In evaluating these design reviews, we
                                                    street address for the Docket Operations                of three fuses in the wiring of the max level         have established four criteria intended
                                                    office (telephone (800) 647–5527) is in                 sensor(s) in the centre wing fuel tank per            to define the unsafe conditions
                                                    the ADDRESSES section. Comments will                    Fokker Services Service Bulletin (SB)                 associated with fuel tank systems that


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                                                                          Federal Register / Vol. 80, No. 228 / Friday, November 27, 2015 / Proposed Rules                                               74041

                                                    require corrective actions. The                         Costs of Compliance                                     4. Will not have a significant
                                                    percentage of operating time during                        We estimate that this proposed AD                  economic impact, positive or negative,
                                                    which fuel tanks are exposed to                         affects 15 airplanes of U.S. registry.                on a substantial number of small entities
                                                    flammable conditions is one of these                       We also estimate that it would take up             under the criteria of the Regulatory
                                                    criteria. The other three criteria address              to 9 work-hours per product to modify                 Flexibility Act.
                                                    the failure types under evaluation:                     the wiring of the maximum level                       List of Subjects in 14 CFR Part 39
                                                    single failures, combination of failures,               sensors in the center wing fuel tank, as
                                                    and unacceptable (failure) experience.                  specified in this proposed AD. The                      Air transportation, Aircraft, Aviation
                                                    For all three failure criteria, the                     average labor rate is $85 per work-hour.              safety, Incorporation by reference,
                                                    evaluations included consideration of                   Required parts would cost about $1,700                Safety.
                                                    previous actions taken that may mitigate                per product. Based on these figures, we               The Proposed Amendment
                                                    the need for further action.                            estimate the cost of this proposed
                                                                                                                                                                    Accordingly, under the authority
                                                       The Joint Aviation Authorities (JAA)                 modification on U.S. operators to be up
                                                                                                                                                                  delegated to me by the Administrator,
                                                    has issued a regulation that is similar to              to $36,975, or up to $2,465 per product.
                                                                                                               We also estimate that it would take                the FAA proposes to amend 14 CFR part
                                                    SFAR 88. (The JAA is an associated                                                                            39 as follows:
                                                    body of the European Civil Aviation                     about 1 work-hour per product to revise
                                                    Conference (ECAC) representing the                      the maintenance or inspection program                 PART 39—AIRWORTHINESS
                                                    civil aviation regulatory authorities of a              as specified in this proposed AD. The                 DIRECTIVES
                                                    number of European States who have                      average labor rate is $85 per work-hour.
                                                    agreed to co-operate in developing and                  Based on these figures, we estimate the               ■ 1. The authority citation for part 39
                                                    implementing common safety regulatory                   cost of this proposed revision on U.S.                continues to read as follows:
                                                    standards and procedures.) Under this                   operators to be $1,275, or $85 per                        Authority: 49 U.S.C. 106(g), 40113, 44701.
                                                    regulation, the JAA stated that all                     product.
                                                    members of the ECAC that hold type                                                                            § 39.13    [Amended]
                                                                                                            Authority for This Rulemaking
                                                    certificates for transport category                                                                           ■ 2. The FAA amends § 39.13 by adding
                                                                                                               Title 49 of the United States Code                 the following new airworthiness
                                                    airplanes are required to conduct a
                                                                                                            specifies the FAA’s authority to issue                directive (AD):
                                                    design review against explosion risks.
                                                                                                            rules on aviation safety. Subtitle I,
                                                       We have determined that the actions                  section 106, describes the authority of               Fokker Services B.V.: Docket No. FAA–
                                                    identified in this AD are necessary to                                                                           2015–5810; Directorate Identifier 2014–
                                                                                                            the FAA Administrator. ‘‘Subtitle VII:                   NM–116–AD.
                                                    reduce the potential of ignition sources                Aviation Programs,’’ describes in more
                                                    inside fuel tanks, which, in combination                detail the scope of the Agency’s                      (a) Comments Due Date
                                                    with flammable fuel vapors, could result                authority.                                              We must receive comments by January 11,
                                                    in fuel tank explosions and consequent                     We are issuing this rulemaking under               2016.
                                                    loss of the airplane.                                   the authority described in ‘‘Subtitle VII,            (b) Affected ADs
                                                                                                            Part A, Subpart III, Section 44701:
                                                    Related Service Information Under CFR                                                                           None.
                                                                                                            General requirements.’’ Under that
                                                    Part 51
                                                                                                            section, Congress charges the FAA with                (c) Applicability
                                                      Fokker has issued Service Bulletin                    promoting safe flight of civil aircraft in               This AD applies to Fokker Services B.V.
                                                    SBF100–28–078, dated January 23,                        air commerce by prescribing regulations               Model F.28 Mark 0070 and 0100 airplanes,
                                                    2014. The service information describes                 for practices, methods, and procedures                certificated in any category, equipped with a
                                                    procedures for modifying the wiring of                  the Administrator finds necessary for                 center wing tank.
                                                    the maximum level sensors in the center                 safety in air commerce. This regulation               (d) Subject
                                                    wing fuel tank, after-installation tests,               is within the scope of that authority
                                                                                                                                                                    Air Transport Association (ATA) of
                                                    and corrective action if necessary. This                because it addresses an unsafe condition              America Code 28, Fuel.
                                                    service information is reasonably                       that is likely to exist or develop on
                                                                                                            products identified in this rulemaking                (e) Reason
                                                    available because the interested parties
                                                    have access to it through their normal                  action.                                                  This AD was prompted by a design review
                                                    course of business or by the means                                                                            which revealed that a wiring failure, external
                                                                                                            Regulatory Findings                                   to the center wing fuel tank, could cause a
                                                    identified in the ADDRESSES section of
                                                                                                              We determined that this proposed AD                 hot short circuit to a maximum level sensor
                                                    this NPRM.                                                                                                    wire, and result in excessive heating of the
                                                                                                            would not have federalism implications
                                                    FAA’s Determination and Requirements                    under Executive Order 13132. This                     maximum level sensor element. We are
                                                    of This Proposed AD                                                                                           issuing this AD to prevent the potential of
                                                                                                            proposed AD would not have a
                                                                                                                                                                  ignition sources inside fuel tanks, which, in
                                                                                                            substantial direct effect on the States, on           combination with flammable fuel vapors,
                                                      This product has been approved by                     the relationship between the national                 could result in fuel tank explosions and
                                                    the aviation authority of another                       Government and the States, or on the                  consequent loss of the airplane.
                                                    country, and is approved for operation                  distribution of power and
                                                    in the United States. Pursuant to our                                                                         (f) Compliance
                                                                                                            responsibilities among the various
                                                    bilateral agreement with the State of                   levels of government.                                    Comply with this AD within the
                                                    Design Authority, we have been notified                                                                       compliance times specified, unless already
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                                                                                                              For the reasons discussed above, I
                                                    of the unsafe condition described in the                certify this proposed regulation:                     done.
                                                    MCAI and service information                              1. Is not a ‘‘significant regulatory                (g) Wiring Modification
                                                    referenced above. We are proposing this                 action’’ under Executive Order 12866;                    Within 24 months after the effective date
                                                    AD because we evaluated all pertinent                     2. Is not a ‘‘significant rule’’ under the          of this AD: Modify the wiring of the
                                                    information and determined an unsafe                    DOT Regulatory Policies and Procedures                maximum level sensors of the center wing
                                                    condition exists and is likely to exist or              (44 FR 11034, February 26, 1979);                     fuel tank, as specified in paragraph (g)(1) or
                                                    develop on other products of the same                     3. Will not affect intrastate aviation in           (g)(2) of this AD, as applicable. Before further
                                                    type design.                                            Alaska; and                                           flight after accomplishing the modification,



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                                                    74042                 Federal Register / Vol. 80, No. 228 / Friday, November 27, 2015 / Proposed Rules

                                                    do all applicable tests and corrective actions,         approved by the DOA, the approval must                DATES:  We must receive comments on
                                                    in accordance with Part 5 of the                        include the DOA-authorized signature.                 this proposed AD by January 11, 2016.
                                                    Accomplishment Instructions of Fokker
                                                    Service Bulletin SBF100–28–078, dated                   (k) Related Information                               ADDRESSES: You may send comments,
                                                    January 23, 2014.                                          (1) Refer to Mandatory Continuing                  using the procedures found in 14 CFR
                                                      (1) For post-SBF100–28–073 configuration              Airworthiness Information (MCAI) EASA                 11.43 and 11.45, by any of the following
                                                    airplanes: Do the modification in accordance            Airworthiness Directive 2014–0138, dated              methods:
                                                    with Part 1 or Part 3, as applicable, of the            May 30, 2014, for related information. This             • Federal eRulemaking Portal: Go to
                                                    Accomplishment Instructions of Fokker                   MCAI may be found in the AD docket on the             http://www.regulations.gov. Follow the
                                                    Service Bulletin SBF100–28–078, dated                   Internet at http://www.regulations.gov by             instructions for submitting comments.
                                                    January 23, 2014.                                       searching for and locating it in Docket No.
                                                                                                            FAA–2015–5810.
                                                                                                                                                                    • Fax: 202–493–2251.
                                                      (2) For pre-SBF100–28–073 configuration
                                                    airplanes: Do the modification in accordance               (2) For service information identified in            • Mail: U.S. Department of
                                                    with Part 2 or Part 4, as applicable, of the            this AD, contact Fokker Services B.V.,                Transportation, Docket Operations, M–
                                                    Accomplishment Instructions of Fokker                   Technical Services Dept., P.O. Box 1357,              30, West Building Ground Floor, Room
                                                    Service Bulletin SBF100–28–078, dated                   2130 EL Hoofddorp, the Netherlands;                   W12–140, 1200 New Jersey Avenue SE.,
                                                    January 23, 2014.                                       telephone +31 (0)88–6280–350; fax +31                 Washington, DC 20590.
                                                    (h) Revise Maintenance or Inspection
                                                                                                            (0)88–6280–111; email technicalservices@                • Hand Delivery: U.S. Department of
                                                                                                            fokker.com; Internet http://                          Transportation, Docket Operations, M–
                                                    Program                                                 www.myfokkerfleet.com. You may view this
                                                       Within 30 days after installing the
                                                                                                                                                                  30, West Building Ground Floor, Room
                                                                                                            service information at the FAA, Transport
                                                    modification specified in paragraph (g)(1) or           Airplane Directorate, 1601 Lind Avenue SW.,           W12–140, 1200 New Jersey Avenue SE.,
                                                    (g)(2) of this AD, as applicable: Revise the            Renton, WA. For information on the                    Washington, DC, between 9 a.m. and 5
                                                    airplane maintenance or inspection program,             availability of this material at the FAA, call        p.m., Monday through Friday, except
                                                    as applicable, to incorporate the fuel                  425–227–1221.                                         Federal holidays.
                                                    airworthiness limitation items and critical                                                                     For service information identified in
                                                    design configuration control limitations                  Issued in Renton, Washington, on
                                                                                                            November 17, 2015.                                    this proposed AD, contact Airbus SAS,
                                                    (CDCCLs) specified in paragraph 2.L.(1)(c) of                                                                 Airworthiness Office—EAL, 1 Rond
                                                    Fokker Service Bulletin SBF100–28–078,                  Jeffrey E. Duven,
                                                                                                                                                                  Point Maurice Bellonte, 31707 Blagnac
                                                    dated January 23, 2014.                                 Manager, Transport Airplane Directorate,
                                                                                                            Aircraft Certification Service.                       Cedex, France; telephone +33 5 61 93 36
                                                    (i) No Alternative Actions, Intervals, and/or                                                                 96; fax +33 5 61 93 45 80; email
                                                    CDCCLs                                                  [FR Doc. 2015–30007 Filed 11–25–15; 8:45 am]
                                                                                                                                                                  airworthiness.A330-A340@airbus.com;
                                                                                                            BILLING CODE 4910–13–P
                                                       After accomplishing the revision required                                                                  Internet http://www.airbus.com. You
                                                    by paragraph (h) of this AD, no alternative                                                                   may view this referenced service
                                                    actions (e.g., inspections), intervals, or                                                                    information at the FAA, Transport
                                                    CDCCLs may be used unless the actions,                  DEPARTMENT OF TRANSPORTATION
                                                                                                                                                                  Airplane Directorate, 1601 Lind Avenue
                                                    intervals, or CDCCLs are approved as an
                                                    alternative method of compliance in                     Federal Aviation Administration                       SW., Renton, WA. For information on
                                                    accordance with the procedures specified in                                                                   the availability of this material at the
                                                    paragraph (j)(1) of this AD.                            14 CFR Part 39                                        FAA, call 425–227–1221.
                                                    (j) Other FAA AD Provisions                             [Docket No. FAA–2015–5815; Directorate                Examining the AD Docket
                                                       The following provisions also apply to this          Identifier 2015–NM–039–AD]                               You may examine the AD docket on
                                                    AD:                                                                                                           the Internet at http://
                                                                                                            RIN 2120–AA64
                                                       (1) Alternative Methods of Compliance                                                                      www.regulations.gov by searching for
                                                    (AMOCs): The Manager, International
                                                                                                            Airworthiness Directives; Airbus                      and locating Docket No. FAA–2015–
                                                    Branch, ANM–116, FAA, has the authority to
                                                    approve AMOCs for this AD, if requested                 Airplanes                                             5815; or in person at the Docket
                                                    using the procedures found in 14 CFR 39.19.                                                                   Management Facility between 9 a.m.
                                                                                                            AGENCY: Federal Aviation
                                                    In accordance with 14 CFR 39.19, send your                                                                    and 5 p.m., Monday through Friday,
                                                                                                            Administration (FAA), DOT.
                                                    request to your principal inspector or local                                                                  except Federal holidays. The AD docket
                                                    Flight Standards District Office, as                    ACTION: Notice of proposed rulemaking
                                                                                                                                                                  contains this proposed AD, the
                                                    appropriate. If sending information directly            (NPRM).                                               regulatory evaluation, any comments
                                                    to the International Branch, send it to ATTN:                                                                 received, and other information. The
                                                    Tom Rodriguez, Aerospace Engineer,                      SUMMARY:    We propose to adopt a new
                                                    International Branch, ANM–116, Transport                airworthiness directive (AD) for certain              street address for the Docket Operations
                                                    Airplane Directorate, FAA, 1601 Lind                    Airbus Model A330–200 and –300 series                 office (telephone 800–647–5527) is in
                                                    Avenue SW., Renton, WA 98057–3356;                      airplanes; and all Model A340–200,                    the ADDRESSES section. Comments will
                                                    telephone 425–227–1137; fax 425–227–1149.               –300, –500, and –600 series airplanes.                be available in the AD docket shortly
                                                    Information may be emailed to: 9-ANM-116-               This proposed AD was prompted by                      after receipt.
                                                    AMOC-REQUESTS@faa.gov. Before using                     reports that the potable water service                FOR FURTHER INFORMATION CONTACT:
                                                    any approved AMOC, notify your appropriate
                                                                                                            panel access door was lost during flight.             Vladimir Ulyanov, Aerospace Engineer,
                                                    principal inspector, or lacking a principal
                                                    inspector, the manager of the local flight              This proposed AD would require                        International Branch, ANM–116,
                                                    standards district office/certificate holding           modifying affected potable water service              Transport Airplane Directorate, FAA,
                                                    district office.                                        panel access doors. We are proposing                  1601 Lind Avenue SW., Renton, WA
                                                       (2) Contacting the Manufacturer: As of the           this AD to prevent failure of the latching            98057–3356; telephone 425–227–1138;
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                                                    effective date of this AD, for any requirement          mechanism of the potable water service                fax 425–227–1149.
                                                    in this AD to obtain corrective actions from            panel access door, which could result in              SUPPLEMENTARY INFORMATION:
                                                    a manufacturer, the action must be                      the loss of the potable water service
                                                    accomplished using a method approved by                                                                       Comments Invited
                                                    the Manager, International Branch, ANM–
                                                                                                            panel access door during flight, and
                                                    116, Transport Airplane Directorate, FAA; or            resultant damage to the airplane (e.g.,                 We invite you to send any written
                                                    the European Aviation Safety Agency                     damage to the trimmable horizontal                    relevant data, views, or arguments about
                                                    (EASA); or Fokker B.V. Service’s EASA                   stabilizer) that could cause loss of                  this proposed AD. Send your comments
                                                    Design Organization Approval (DOA). If                  control of the airplane.                              to an address listed under the


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Document Created: 2015-12-14 14:05:34
Document Modified: 2015-12-14 14:05:34
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionProposed Rules
ActionNotice of proposed rulemaking (NPRM).
DatesWe must receive comments on this proposed AD by January 11, 2016.
ContactTom Rodriguez, Aerospace Engineer, International Branch, ANM-116, Transport Airplane Directorate, FAA, 1601 Lind Avenue SW., Renton, WA 98057-3356; telephone 425-227-1137; fax 425-227-1149.
FR Citation80 FR 74039 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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