81_FR_3065 81 FR 3053 - Airworthiness Directives; Airbus Airplanes

81 FR 3053 - Airworthiness Directives; Airbus Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 81, Issue 12 (January 20, 2016)

Page Range3053-3056
FR Document2016-00699

We are revising an earlier proposed airworthiness directive (AD) for certain Airbus Model A319 and A320 series airplanes. The NPRM proposed to require the modification of eight fastener locations in the longeron area below the emergency exit cut-outs on the left-hand (LH) and right-hand (RH) sides. The NPRM was prompted by a report that fatigue cracking could appear at certain fastener locations in the longeron area below the emergency exit cut-outs. This proposed AD is intended to complete certain mandated programs intended to support the airplane reaching its limit of validity (LOV) of the engineering data that support the established structural maintenance program. This action revises the applicability by adding post-Airbus modification 32208 airplanes, which are also affected. We are proposing this supplemental NPRM (SNPRM) to detect and correct cracking at certain fastener locations in the longeron area below the emergency exit cut-outs, which could lead to failure of the fasteners and reduced structural integrity of the airplane. Since these actions impose an additional burden over those proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

Federal Register, Volume 81 Issue 12 (Wednesday, January 20, 2016)
[Federal Register Volume 81, Number 12 (Wednesday, January 20, 2016)]
[Proposed Rules]
[Pages 3053-3056]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-00699]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2014-0922; Directorate Identifier 2014-NM-156-AD]
RIN 2120-AA64


Airworthiness Directives; Airbus Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Supplemental notice of proposed rulemaking (NPRM); reopening of 
comment period.

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

SUMMARY: We are revising an earlier proposed airworthiness directive 
(AD) for certain Airbus Model A319 and A320 series airplanes. The NPRM 
proposed to require the modification of eight fastener locations in the 
longeron area below the emergency exit cut-outs on the left-hand (LH) 
and right-hand (RH) sides. The NPRM was prompted by a report that 
fatigue cracking could appear at certain fastener locations in the 
longeron area below the emergency exit cut-outs. This proposed AD is 
intended to complete certain mandated programs intended to support the 
airplane reaching its limit of validity (LOV) of the engineering data 
that support the established structural maintenance program. This 
action

[[Page 3054]]

revises the applicability by adding post-Airbus modification 32208 
airplanes, which are also affected. We are proposing this supplemental 
NPRM (SNPRM) to detect and correct cracking at certain fastener 
locations in the longeron area below the emergency exit cut-outs, which 
could lead to failure of the fasteners and reduced structural integrity 
of the airplane. Since these actions impose an additional burden over 
those proposed in the NPRM, we are reopening the comment period to 
allow the public the chance to comment on these proposed changes.

DATES: We must receive comments on this SNPRM by March 7, 2016.

ADDRESSES: You may send comments, using the procedures found in 14 CFR 
11.43 and 11.45, 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 
Airbus, Airworthiness Office--EIAS, 1 Rond Point Maurice Bellonte, 
31707 Blagnac Cedex, France; telephone +33 5 61 93 36 96; fax +33 5 61 
93 44 51; email [email protected]; Internet http://www.airbus.com. You may view this referenced service information at the 
FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. 
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-2014-
0922; 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 
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: Sanjay Ralhan, Aerospace Engineer, 
International Branch, ANM-116, Transport Airplane Directorate, FAA, 
1601 Lind Avenue SW., Renton, WA 98057-3356; telephone 425-227-1405; 
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-2014-0922; 
Directorate Identifier 2014-NM-156-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

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 by adding an AD that would apply to certain Airbus Model A319 
and A320 series airplanes. The NPRM published in the Federal Register 
on December 15, 2014 (79 FR 74035).
    The NPRM was prompted by a report that fatigue cracking could 
appear at certain fastener locations in the longeron area below the 
emergency exit cut-outs. The NPRM was intended to complete certain 
mandated programs intended to support the airplane reaching its LOV of 
the engineering data that support the established structural 
maintenance program. The NPRM proposed to require the modification of 
eight fastener locations in the longeron area below the emergency exit 
cut-outs on the LH and RH sides.

Actions Since Previous NPRM (79 FR 74035, December 15, 2014) Was Issued

    Since we issued the NPRM (79 FR 74035, December 15, 2014), we have 
determined that airplanes having Airbus modification 32208, which were 
excluded from the applicability of NPRM (79 FR 74035, December 15, 
2014), are also affected. For this reason, the FAA added airplanes 
having Airbus modification 32208 to the applicability of this proposed 
AD and increased the number of airplanes in the Costs of Compliance 
section to 294 airplanes. The European Aviation Safety Agency, which is 
the Technical Agent for the Member States of the European Union, has 
issued EASA Airworthiness Directive 2015-0085, dated May 13, 2015 
(referred to after this as the Mandatory Continuing Airworthiness 
Information, or ``the MCAI''), to correct an unsafe condition on 
certain Model A319 and Model A320 series airplanes. The MCAI states:

    During the A320 fatigue test campaign for Extended Service Goal 
(ESG), it was determined that fatigue damage could appear at certain 
fastener locations on the longeron [area] below the emergency exit 
cut-outs, on the left-hand (LH) and right-hand (RH) sides of the 
fuselage.
    This condition, if not detected and corrected, could affect the 
structural integrity of the aeroplane.
    To address this potential unsafe condition, Airbus developed a 
modification, which has been published through Airbus Service 
Bulletin (SB) A320-53-1265 for in-service application to allow 
aeroplanes to operate up to the new ESG limit. Consequently, EASA 
issued AD 2014-0176 to require modification (cold working) of 8 
fastener locations in the longeron area (Stringer 20A) below the 
emergency exit cut-outs on the LH and RH sides.
    Since that [EASA] AD was issued, it was identified that post-mod 
32208 aeroplanes, which were excluded from the Applicability of that 
[EASA] AD, are also affected.
    For the reason described above, this [EASA] AD retains the 
requirements of EASA AD 2014-0176, which is superseded, but no 
longer excludes post-mod 32208 aeroplanes from the Applicability.

    As described in FAA Advisory Circular 120-104 (http://www.faa.gov/documentLibrary/media/Advisory_Circular/120-104.pdf), several programs 
have been developed to support initiatives that will ensure the 
continued airworthiness of aging airplane structure. The last element 
of those initiatives is the requirement to establish a LOV of the 
engineering data that support the structural maintenance program under 
14 CFR 26.21. This proposed AD is the result of an assessment of the 
previously established programs by the design approval holder (DAH) 
during the process of establishing the LOV for Airbus Model A319 and 
A320 series airplanes. The actions specified in this proposed AD are 
necessary to complete certain programs to ensure the continued 
airworthiness of aging airplane structure and to support an airplane 
reaching its LOV.
    You may examine the MCAI in the AD docket on the Internet at http:/
/

[[Page 3055]]

www.regulations.gov/#!documentDetail;D=FAA-2014-0922.

Related Service Information Under 1 CFR Part 51

    Airbus has issued Service Bulletin A320-53-1265, Revision 02, dated 
July 10, 2014. The service information describes procedures for 
modifying the fastener locations in the longeron area below the 
emergency exit cut-outs on both RH and LH sides of the fuselage. 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.

Comments

    We gave the public the opportunity to participate in developing 
this proposed AD. We considered the comment received. The following 
presents the comment received on the NPRM (79 FR 74035, December 15, 
2014) and the FAA's response to the comment.

Request To Allow the Use of Later Revisions of Service Bulletin

    United Airlines (United) requested that the NPRM (79 FR 74035, 
December 15, 2014) contain a statement allowing use of later revisions 
of the service information as an acceptable method of compliance for 
the proposed AD. United stated the modification addressed by the NPRM 
allows operators to reach an ESG. United stated that the service 
information mentioned in the NPRM may not incorporate the proper 
effectivity, since Airbus Service Bulletin A320-53-1265, Revision 01, 
dated July 2, 2013, is restricted to operators who have applied for 
Airbus's request for change/request for modification order (RFC/RMO) 
process. United stated the effectivity of Airbus Service Bulletin A320-
53-1265, Revision 02, dated July 10, 2014, will likely not agree with 
the applicability of the NPRM.
    We partially agree. We disagree to allow use of later revisions of 
service documents in an AD because use of unpublished service 
information is not allowed by the Office of the Federal Register's 
regulations for approving materials incorporated by reference. However, 
we have reviewed Airbus Service Bulletin A320-53-1265, Revision 02, 
dated July 10, 2014, which updated the kit information and the 
effectivity. We revised the applicability in this proposed AD to 
reflect the effectivity of Airbus Service Bulletin A320-53-1265, 
Revision 02, dated July 10, 2014. We also revised the references in 
paragraph (g) of this proposed AD to refer to Airbus Service Bulletin 
A320-53-1265, Revision 02, dated July 10, 2014, and revised paragraph 
(h) of this proposed AD to allow credit for actions done using Airbus 
Service Bulletin A320-53-1265, Revision 01, dated July 2, 2013. 
Affected operators may request approval to use a later revision of the 
referenced service information as an Alternative Method of Compliance 
(AMOC) using the procedures specified in paragraph (i) of this proposed 
AD.

FAA's Determination and Requirements of This SNPRM

    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 these 
same type designs.
    Certain changes described above expand the scope of the NPRM (79 FR 
74035, December 15, 2014). As a result, we have determined that it is 
necessary to reopen the comment period to provide additional 
opportunity for the public to comment on this SNPRM.

Explanation of ``RC'' Procedures and Tests in Service Information

    The FAA worked in conjunction with industry, under the 
Airworthiness Directive Implementation Aviation Rulemaking Committee 
(ARC), to enhance the AD system. One enhancement was a new process for 
annotating which procedures and tests in the service information are 
required for compliance with an AD. Differentiating these procedures 
and tests from other tasks in the service information is expected to 
improve an owner's/operator's understanding of crucial AD requirements 
and help provide consistent judgment in AD compliance. The procedures 
and tests identified as RC (required for compliance) in any service 
information have a direct effect on detecting, preventing, resolving, 
or eliminating an identified unsafe condition.
    As specified in a NOTE under the Accomplishment Instructions of the 
specified service information, procedures and tests that are identified 
as RC in any service information must be done to comply with the 
proposed AD. However, procedures and tests that are not identified as 
RC are recommended. Those procedures and tests that are not identified 
as RC may be deviated from using accepted methods in accordance with 
the operator's maintenance or inspection program without obtaining 
approval of an alternative method of compliance (AMOC), provided the 
procedures and tests identified as RC can be done and the airplane can 
be put back in an airworthy condition. Any substitutions or changes to 
procedures or tests identified as RC will require approval of an AMOC.

Costs of Compliance

    We estimate that this SNPRM affects 294 airplanes of U.S. registry.
    We estimate that it would take about 12 work-hours per product to 
comply with the new basic requirements of this SNPRM. The average labor 
rate is $85 per work-hour. Required parts would cost about $0 per 
product. Based on these figures, we estimate the cost of this SNPRM on 
U.S. operators to be $299,880, or $1,020 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);

[[Page 3056]]

    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):

Airbus: Docket No. FAA-2014-0922; Directorate Identifier 2014-NM-
156-AD.

(a) Comments Due Date

    We must receive comments by March 7, 2016.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to the Airbus airplanes identified in paragraphs 
(c)(1) and (c)(2) of this AD, certificated in any category, except 
those on which Airbus modification (mod) 152637 has been embodied in 
production.
    (1) Airbus Model A319-111, -112, -113, -114, -115, -131, -132, 
and -133 airplanes, all manufacturer serial numbers (MSN).
    (2) Airbus Model A320-211, -212, -214, -231, -232, and -233 
airplanes, all manufacturer serial numbers (MSN).

(d) Subject

    Air Transport Association (ATA) of America Code 53, Fuselage.

(e) Reason

    This AD was prompted by a report that fatigue cracking could 
appear at certain fastener locations in the longeron area below the 
emergency exit cut-outs. We are issuing this AD to detect and 
correct cracking at certain fastener locations in the longeron area 
below the emergency exit cut-outs, which could lead to failure of 
the fasteners and reduced structural integrity of the airplane.

(f) Compliance

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

(g) Modification of Fastener Locations

    Before the accumulation of 48,000 total flight cycles or 96,000 
total flight hours, whichever occurs first since the airplane's 
first flight, modify the 8 fastener locations in the longeron area 
(stringer 20A) below the emergency exit cut-outs on both RH and LH 
sides, in accordance with the Accomplishment Instructions of Airbus 
Service Bulletin A320-53-1265, Revision 02, dated July 10, 2014.

(h) Credit for Previous Actions

    This paragraph provides credit for the actions required by 
paragraph (g) of this AD, if those actions were performed before the 
effective date of this AD using Airbus Service Bulletin A320-53-
1265, dated January 2, 2013; or Airbus Service Bulletin A320-53-
1265, Revision 01, dated July 2, 2013; which are not incorporated by 
reference in this AD.

(i) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
International Branch, ANM-116, Transport Airplane Directorate, 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: Sanjay 
Ralhan, Aerospace Engineer, International Branch, ANM-116, Transport 
Airplane Directorate, FAA, 1601 Lind Avenue SW., Renton, WA 98057-
3356; telephone 425-227-1405; fax 425-227-1149. Information may be 
emailed to: [email protected]. 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. The 
AMOC approval letter must specifically reference this AD.
    (2) Contacting the Manufacturer: 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 Airbus's EASA Design 
Organization Approval (DOA). If approved by the DOA, the approval 
must include the DOA-authorized signature.
    (3) Required for Compliance (RC): If any service information 
contains procedures or tests that are identified as RC, those 
procedures and tests must be done to comply with this AD; any 
procedures or tests that are not identified as RC are recommended. 
Those procedures and tests that are not identified as RC may be 
deviated from using accepted methods in accordance with the 
operator's maintenance or inspection program without obtaining 
approval of an AMOC, provided the procedures and tests identified as 
RC can be done and the airplane can be put back in an airworthy 
condition. Any substitutions or changes to procedures or tests 
identified as RC require approval of an AMOC.

(j) Related Information

    (1) Refer to Mandatory Continuing Airworthiness Information 
(MCAI) EASA Airworthiness Directive 2015-0085, dated May 13, 2015, 
for related information. This MCAI may be found in the AD docket on 
the Internet at http://www.regulations.gov/#!documentDetail;D=FAA-
2014-0922-0002.
    (2) For service information identified in this AD, contact 
Airbus, Airworthiness Office--EIAS, 1 Rond Point Maurice Bellonte, 
31707 Blagnac Cedex, France; telephone +33 5 61 93 36 96; fax +33 5 
61 93 44 51; email [email protected]; Internet http://www.airbus.com. You may view this referenced service information at 
the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., 
Renton, WA. 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 January 5, 2016.
Victor Wicklund,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2016-00699 Filed 1-19-16; 8:45 am]
BILLING CODE 4910-13-P



                                                                     Federal Register / Vol. 81, No. 12 / Wednesday, January 20, 2016 / Proposed Rules                                                  3053

                                                on a substantial number of small entities               January 9, 2014, including Appendix SBF28–             approved by the DOA, the approval must
                                                under the criteria of the Regulatory                    28–058/APP01, dated July 15, 2014.                     include the DOA-authorized signature.
                                                Flexibility Act.                                        (h) Revision of Maintenance or Inspection              (k) Related Information
                                                List of Subjects in 14 CFR Part 39                      Program                                                   (1) Refer to Mandatory Continuing
                                                                                                          Before further flight after completing the           Airworthiness Information (MCAI) European
                                                  Air transportation, Aircraft, Aviation                installation specified in paragraph (g) of this        Aviation Safety Agency Airworthiness
                                                safety, Incorporation by reference,                     AD, or within 30 days after the effective date         Directive 2014–0108, dated May 8, 2014, for
                                                Safety.                                                 of this AD, whichever occurs later: Revise the         related information. This MCAI may be
                                                                                                        airplane maintenance or inspection program,            found in the AD docket on the Internet at
                                                The Proposed Amendment                                                                                         http://www.regulations.gov by searching for
                                                                                                        as applicable, by incorporating the fuel
                                                  Accordingly, under the authority                      airworthiness limitation items and critical            and locating Docket No. FAA–2015–8467.
                                                delegated to me by the Administrator,                   design configuration control limitations                  (2) For service information identified in
                                                the FAA proposes to amend 14 CFR part                   (CDCCLs) specified in paragraph 1.L.(1)(c) of          this AD, contact Fokker Services B.V.,
                                                                                                        Fokker Services Proforma Service Bulletin              Technical Services Dept., P.O. Box 1357,
                                                39 as follows:
                                                                                                        SBF28–28–058, dated January 9, 2014,                   2130 EL Hoofddorp, the Netherlands;
                                                                                                        including Appendix SBF28–28–058/APP01,                 telephone +31 (0)88–6280–350; fax +31
                                                PART 39—AIRWORTHINESS                                                                                          (0)88–6280–111; email technicalservices@
                                                DIRECTIVES                                              dated July 15, 2014. The initial compliance
                                                                                                        times for the tasks are at the latest of the           fokker.com; Internet http://
                                                                                                        times specified in paragraphs (h)(1), (h)(2),          www.myfokkerfleet.com. You may view this
                                                ■ 1. The authority citation for part 39                                                                        service information at the FAA, Transport
                                                continues to read as follows:                           and (h)(3) of this AD.
                                                                                                          (1) At the applicable time specified in              Airplane Directorate, 1601 Lind Avenue SW.,
                                                    Authority: 49 U.S.C. 106(g), 40113, 44701.          Fokker Service Bulletin SBF28–28–050,                  Renton, WA. For information on the
                                                                                                        Revision 3, dated December 11, 2014.                   availability of this material at the FAA, call
                                                § 39.13   [Amended]                                       (2) Before further flight after completing           425–227–1221.
                                                ■ 2. The FAA amends § 39.13 by adding                   the installation specified in paragraph (g) of            Issued in Renton, Washington, on January
                                                the following new airworthiness                         this AD.                                               5, 2016.
                                                directive (AD):                                           (3) Within 30 days after the effective date          Victor Wicklund,
                                                                                                        of this AD.
                                                Fokker Services B.V.: Docket No. FAA–                                                                          Acting Manager, Transport Airplane
                                                   2015–8467; Directorate Identifier 2014–              (i) No Alternative Actions, Intervals, and             Directorate, Aircraft Certification Service.
                                                   NM–107–AD.                                           CDCCLs                                                 [FR Doc. 2016–00636 Filed 1–19–16; 8:45 am]
                                                (a) Comments Due Date                                      After accomplishment of the revision                BILLING CODE 4910–13–P
                                                                                                        required by paragraph (h) of this AD, no
                                                  We must receive comments by March 7,                  alternative actions (e.g., inspections),
                                                2016.                                                   intervals, or CDCCLs may be used unless the            DEPARTMENT OF TRANSPORTATION
                                                (b) Affected ADs                                        actions, intervals, or CDCCLs are approved as
                                                                                                        an alternative method of compliance (AMOC)             Federal Aviation Administration
                                                  None.
                                                                                                        in accordance with the procedures specified
                                                (c) Applicability                                       in paragraph (j)(1) of this AD.
                                                                                                                                                               14 CFR Part 39
                                                   This AD applies to Fokker Services B.V.              (j) Other FAA AD Provisions
                                                Model F.28 Mark 1000, 2000, 3000, and 4000                                                                     [Docket No. FAA–2014–0922; Directorate
                                                                                                           The following provisions also apply to this         Identifier 2014–NM–156–AD]
                                                airplanes, certificated in any category, all
                                                                                                        AD:
                                                serial numbers.                                                                                                RIN 2120–AA64
                                                                                                           (1) Alternative Methods of Compliance:
                                                (d) Subject                                             The Manager, International Branch, ANM–
                                                                                                        116, Transport Airplane Directorate, FAA,              Airworthiness Directives; Airbus
                                                  Air Transport Association (ATA) of
                                                America Code 28, Fuel.                                  has the authority to approve AMOCs for this            Airplanes
                                                                                                        AD, if requested using the procedures found
                                                (e) Reason                                              in 14 CFR 39.19. In accordance with 14 CFR             AGENCY:  Federal Aviation
                                                                                                        39.19, send your request to your principal             Administration (FAA), DOT.
                                                   This AD was prompted by a design review
                                                that revealed no controlled bonding                     inspector or local Flight Standards District           ACTION: Supplemental notice of
                                                provisions are present on a number of critical          Office, as appropriate. If sending information         proposed rulemaking (NPRM);
                                                locations inside the fuel tanks or connected            directly to the International Branch, send it          reopening of comment period.
                                                to the walls of the fuel tanks. We are issuing          to ATTN: Tom Rodriguez, Aerospace
                                                this AD to prevent an ignition source in the            Engineer, International Branch, ANM–116,               SUMMARY:   We are revising an earlier
                                                fuel tank vapor space, which could result in            Transport Airplane Directorate, FAA, 1601              proposed airworthiness directive (AD)
                                                a fuel tank explosion and consequent loss of            Lind Avenue SW., Renton, WA 98057–3356;                for certain Airbus Model A319 and
                                                the airplane.                                           telephone 425–227–1137; fax 425–227–1149.              A320 series airplanes. The NPRM
                                                                                                        Information may be emailed to: 9-ANM-116-
                                                (f) Compliance                                                                                                 proposed to require the modification of
                                                                                                        AMOC-REQUESTS@faa.gov. Before using
                                                                                                        any approved AMOC, notify your appropriate             eight fastener locations in the longeron
                                                   Comply with this AD within the
                                                compliance times specified, unless already              principal inspector, or lacking a principal            area below the emergency exit cut-outs
                                                done.                                                   inspector, the manager of the local flight             on the left-hand (LH) and right-hand
                                                                                                        standards district office/certificate holding          (RH) sides. The NPRM was prompted by
                                                (g) Installation of Bonding Provisions                  district office. The AMOC approval letter              a report that fatigue cracking could
                                                   At the next scheduled opening of the fuel            must specifically reference this AD.                   appear at certain fastener locations in
                                                tanks after the effective date of this AD, but             (2) Contacting the Manufacturer: For any
tkelley on DSK3SPTVN1PROD with PROPOSALS




                                                                                                                                                               the longeron area below the emergency
                                                no later than 84 months after the effective             requirement in this AD to obtain corrective            exit cut-outs. This proposed AD is
                                                date of this AD, install additional and                 actions from a manufacturer, the action must
                                                                                                                                                               intended to complete certain mandated
                                                improved bonding provisions in the fuel                 be accomplished using a method approved
                                                tanks, and do the applicable related                    by the Manager, International Branch, ANM–             programs intended to support the
                                                investigative and corrective actions, in                116, Transport Airplane Directorate, FAA; or           airplane reaching its limit of validity
                                                accordance with the Accomplishment                      the European Aviation Safety Agency                    (LOV) of the engineering data that
                                                Instructions of Fokker Services Proforma                (EASA); or Fokker B.V. Service’s EASA                  support the established structural
                                                Service Bulletin SBF28–28–058, dated                    Design Organization Approval (DOA). If                 maintenance program. This action


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                                                3054                 Federal Register / Vol. 81, No. 12 / Wednesday, January 20, 2016 / Proposed Rules

                                                revises the applicability by adding post-               street address for the Docket Office                   the FAA added airplanes having Airbus
                                                Airbus modification 32208 airplanes,                    (telephone: 800–647–5527) is in the                    modification 32208 to the applicability
                                                which are also affected. We are                         ADDRESSES section. Comments will be                    of this proposed AD and increased the
                                                proposing this supplemental NPRM                        available in the AD docket shortly after               number of airplanes in the Costs of
                                                (SNPRM) to detect and correct cracking                  receipt.                                               Compliance section to 294 airplanes.
                                                at certain fastener locations in the                    FOR FURTHER INFORMATION CONTACT:                       The European Aviation Safety Agency,
                                                longeron area below the emergency exit                  Sanjay Ralhan, Aerospace Engineer,                     which is the Technical Agent for the
                                                cut-outs, which could lead to failure of                International Branch, ANM–116,                         Member States of the European Union,
                                                the fasteners and reduced structural                    Transport Airplane Directorate, FAA,                   has issued EASA Airworthiness
                                                integrity of the airplane. Since these                  1601 Lind Avenue SW., Renton, WA                       Directive 2015–0085, dated May 13,
                                                actions impose an additional burden                     98057–3356; telephone 425–227–1405;                    2015 (referred to after this as the
                                                over those proposed in the NPRM, we                     fax 425–227–1149.                                      Mandatory Continuing Airworthiness
                                                are reopening the comment period to                     SUPPLEMENTARY INFORMATION:                             Information, or ‘‘the MCAI’’), to correct
                                                allow the public the chance to comment                                                                         an unsafe condition on certain Model
                                                on these proposed changes.                              Comments Invited                                       A319 and Model A320 series airplanes.
                                                DATES: We must receive comments on                        We invite you to send any written                    The MCAI states:
                                                this SNPRM by March 7, 2016.                            relevant data, views, or arguments about                  During the A320 fatigue test campaign for
                                                ADDRESSES: You may send comments,
                                                                                                        this proposed AD. Send your comments                   Extended Service Goal (ESG), it was
                                                using the procedures found in 14 CFR                    to an address listed under the                         determined that fatigue damage could appear
                                                                                                        ADDRESSES section. Include ‘‘Docket No.                at certain fastener locations on the longeron
                                                11.43 and 11.45, by any of the following                                                                       [area] below the emergency exit cut-outs, on
                                                                                                        FAA–2014–0922; Directorate Identifier
                                                methods:                                                                                                       the left-hand (LH) and right-hand (RH) sides
                                                                                                        2014–NM–156–AD’’ at the beginning of
                                                   • Federal eRulemaking Portal: Go to                                                                         of the fuselage.
                                                                                                        your comments. We specifically invite
                                                http://www.regulations.gov. Follow the                                                                            This condition, if not detected and
                                                                                                        comments on the overall regulatory,
                                                instructions for submitting comments.                                                                          corrected, could affect the structural integrity
                                                                                                        economic, environmental, and energy
                                                   • Fax: 202–493–2251.                                                                                        of the aeroplane.
                                                                                                        aspects of this proposed AD. We will
                                                   • Mail: U.S. Department of                                                                                     To address this potential unsafe condition,
                                                                                                        consider all comments received by the                  Airbus developed a modification, which has
                                                Transportation, Docket Operations, M–
                                                                                                        closing date and may amend this                        been published through Airbus Service
                                                30, West Building Ground Floor, Room                                                                           Bulletin (SB) A320–53–1265 for in-service
                                                                                                        proposed AD based on those comments.
                                                W12–140, 1200 New Jersey Avenue SE.,                      We will post all comments we                         application to allow aeroplanes to operate up
                                                Washington, DC 20590.                                   receive, without change, to http://                    to the new ESG limit. Consequently, EASA
                                                   • Hand Delivery: U.S. Department of                  www.regulations.gov, including any                     issued AD 2014–0176 to require modification
                                                Transportation, Docket Operations, M–                   personal information you provide. We                   (cold working) of 8 fastener locations in the
                                                30, West Building Ground Floor, Room                                                                           longeron area (Stringer 20A) below the
                                                                                                        will also post a report summarizing each               emergency exit cut-outs on the LH and RH
                                                W12–140, 1200 New Jersey Avenue SE.,                    substantive verbal contact we receive
                                                Washington, DC, between 9 a.m. and 5                                                                           sides.
                                                                                                        about this proposed AD.                                   Since that [EASA] AD was issued, it was
                                                p.m., Monday through Friday, except                                                                            identified that post-mod 32208 aeroplanes,
                                                Federal holidays.                                       Discussion
                                                                                                                                                               which were excluded from the Applicability
                                                   For service information identified in                  We issued a notice of proposed                       of that [EASA] AD, are also affected.
                                                this proposed AD, contact Airbus,                       rulemaking (NPRM) to amend 14 CFR                         For the reason described above, this
                                                Airworthiness Office—EIAS, 1 Rond                       part 39 by adding an AD that would                     [EASA] AD retains the requirements of EASA
                                                Point Maurice Bellonte, 31707 Blagnac                   apply to certain Airbus Model A319 and                 AD 2014–0176, which is superseded, but no
                                                Cedex, France; telephone +33 5 61 93 36                                                                        longer excludes post-mod 32208 aeroplanes
                                                                                                        A320 series airplanes. The NPRM
                                                96; fax +33 5 61 93 44 51; email                                                                               from the Applicability.
                                                                                                        published in the Federal Register on
                                                account.airworth-eas@airbus.com;                        December 15, 2014 (79 FR 74035).                         As described in FAA Advisory
                                                Internet http://www.airbus.com. You                       The NPRM was prompted by a report                    Circular 120–104 (http://www.faa.gov/
                                                may view this referenced service                        that fatigue cracking could appear at                  documentLibrary/media/Advisory_
                                                information at the FAA, Transport                       certain fastener locations in the                      Circular/120-104.pdf), several programs
                                                Airplane Directorate, 1601 Lind Avenue                  longeron area below the emergency exit                 have been developed to support
                                                SW., Renton, WA. You may view this                      cut-outs. The NPRM was intended to                     initiatives that will ensure the
                                                referenced service information at the                   complete certain mandated programs                     continued airworthiness of aging
                                                FAA, Transport Airplane Directorate,                    intended to support the airplane                       airplane structure. The last element of
                                                1601 Lind Avenue SW., Renton, WA.                       reaching its LOV of the engineering data               those initiatives is the requirement to
                                                For information on the availability of                  that support the established structural                establish a LOV of the engineering data
                                                this material at the FAA, call 425–227–                 maintenance program. The NPRM                          that support the structural maintenance
                                                1221.                                                   proposed to require the modification of                program under 14 CFR 26.21. This
                                                                                                        eight fastener locations in the longeron               proposed AD is the result of an
                                                Examining the AD Docket
                                                                                                        area below the emergency exit cut-outs                 assessment of the previously established
                                                  You may examine the AD docket on                      on the LH and RH sides.                                programs by the design approval holder
                                                the Internet at http://                                                                                        (DAH) during the process of establishing
                                                www.regulations.gov by searching for                    Actions Since Previous NPRM (79 FR                     the LOV for Airbus Model A319 and
                                                                                                        74035, December 15, 2014) Was Issued
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                                                and locating Docket No. FAA–2014–                                                                              A320 series airplanes. The actions
                                                0922; or in person at the Docket                          Since we issued the NPRM (79 FR                      specified in this proposed AD are
                                                Management Facility between 9 a.m.                      74035, December 15, 2014), we have                     necessary to complete certain programs
                                                and 5 p.m., Monday through Friday,                      determined that airplanes having Airbus                to ensure the continued airworthiness of
                                                except Federal holidays. The AD docket                  modification 32208, which were                         aging airplane structure and to support
                                                contains this proposed AD, the                          excluded from the applicability of                     an airplane reaching its LOV.
                                                regulatory evaluation, any comments                     NPRM (79 FR 74035, December 15,                          You may examine the MCAI in the
                                                received, and other information. The                    2014), are also affected. For this reason,             AD docket on the Internet at http://


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                                                                     Federal Register / Vol. 81, No. 12 / Wednesday, January 20, 2016 / Proposed Rules                                              3055

                                                www.regulations.gov/                                    2014, and revised paragraph (h) of this                methods in accordance with the
                                                #!documentDetail;D=FAA-2014-0922.                       proposed AD to allow credit for actions                operator’s maintenance or inspection
                                                                                                        done using Airbus Service Bulletin                     program without obtaining approval of
                                                Related Service Information Under 1
                                                                                                        A320–53–1265, Revision 01, dated July                  an alternative method of compliance
                                                CFR Part 51
                                                                                                        2, 2013. Affected operators may request                (AMOC), provided the procedures and
                                                  Airbus has issued Service Bulletin                    approval to use a later revision of the                tests identified as RC can be done and
                                                A320–53–1265, Revision 02, dated July                   referenced service information as an                   the airplane can be put back in an
                                                10, 2014. The service information                       Alternative Method of Compliance                       airworthy condition. Any substitutions
                                                describes procedures for modifying the                  (AMOC) using the procedures specified                  or changes to procedures or tests
                                                fastener locations in the longeron area                 in paragraph (i) of this proposed AD.                  identified as RC will require approval of
                                                below the emergency exit cut-outs on                                                                           an AMOC.
                                                both RH and LH sides of the fuselage.                   FAA’s Determination and Requirements
                                                This service information is reasonably                  of This SNPRM                                          Costs of Compliance
                                                available because the interested parties                  This product has been approved by                      We estimate that this SNPRM affects
                                                have access to it through their normal                  the aviation authority of another                      294 airplanes of U.S. registry.
                                                course of business or by the means                      country, and is approved for operation                   We estimate that it would take about
                                                identified in the ADDRESSES section.                    in the United States. Pursuant to our                  12 work-hours per product to comply
                                                                                                        bilateral agreement with the State of                  with the new basic requirements of this
                                                Comments
                                                                                                        Design Authority, we have been notified                SNPRM. The average labor rate is $85
                                                  We gave the public the opportunity to                 of the unsafe condition described in the               per work-hour. Required parts would
                                                participate in developing this proposed                 MCAI and service information                           cost about $0 per product. Based on
                                                AD. We considered the comment                           referenced above. We are proposing this                these figures, we estimate the cost of
                                                received. The following presents the                    AD because we evaluated all pertinent                  this SNPRM on U.S. operators to be
                                                comment received on the NPRM (79 FR                     information and determined an unsafe                   $299,880, or $1,020 per product.
                                                74035, December 15, 2014) and the                       condition exists and is likely to exist or
                                                FAA’s response to the comment.                          develop on other products of these same                Authority for This Rulemaking
                                                Request To Allow the Use of Later                       type designs.                                             Title 49 of the United States Code
                                                                                                          Certain changes described above
                                                Revisions of Service Bulletin                                                                                  specifies the FAA’s authority to issue
                                                                                                        expand the scope of the NPRM (79 FR
                                                   United Airlines (United) requested                                                                          rules on aviation safety. Subtitle I,
                                                                                                        74035, December 15, 2014). As a result,
                                                that the NPRM (79 FR 74035, December                                                                           section 106, describes the authority of
                                                                                                        we have determined that it is necessary
                                                15, 2014) contain a statement allowing                                                                         the FAA Administrator. ‘‘Subtitle VII:
                                                                                                        to reopen the comment period to
                                                use of later revisions of the service                                                                          Aviation Programs,’’ describes in more
                                                                                                        provide additional opportunity for the
                                                information as an acceptable method of                                                                         detail the scope of the Agency’s
                                                                                                        public to comment on this SNPRM.
                                                compliance for the proposed AD. United                                                                         authority.
                                                stated the modification addressed by the                Explanation of ‘‘RC’’ Procedures and                      We are issuing this rulemaking under
                                                NPRM allows operators to reach an ESG.                  Tests in Service Information                           the authority described in ‘‘Subtitle VII,
                                                United stated that the service                            The FAA worked in conjunction with                   Part A, Subpart III, Section 44701:
                                                information mentioned in the NPRM                       industry, under the Airworthiness                      General requirements.’’ Under that
                                                may not incorporate the proper                          Directive Implementation Aviation                      section, Congress charges the FAA with
                                                effectivity, since Airbus Service Bulletin              Rulemaking Committee (ARC), to                         promoting safe flight of civil aircraft in
                                                A320–53–1265, Revision 01, dated July                   enhance the AD system. One                             air commerce by prescribing regulations
                                                2, 2013, is restricted to operators who                 enhancement was a new process for                      for practices, methods, and procedures
                                                have applied for Airbus’s request for                   annotating which procedures and tests                  the Administrator finds necessary for
                                                change/request for modification order                   in the service information are required                safety in air commerce. This regulation
                                                (RFC/RMO) process. United stated the                    for compliance with an AD.                             is within the scope of that authority
                                                effectivity of Airbus Service Bulletin                  Differentiating these procedures and                   because it addresses an unsafe condition
                                                A320–53–1265, Revision 02, dated July                   tests from other tasks in the service                  that is likely to exist or develop on
                                                10, 2014, will likely not agree with the                information is expected to improve an                  products identified in this rulemaking
                                                applicability of the NPRM.                              owner’s/operator’s understanding of                    action.
                                                   We partially agree. We disagree to                   crucial AD requirements and help                       Regulatory Findings
                                                allow use of later revisions of service                 provide consistent judgment in AD
                                                documents in an AD because use of                       compliance. The procedures and tests                     We determined that this proposed AD
                                                unpublished service information is not                  identified as RC (required for                         would not have federalism implications
                                                allowed by the Office of the Federal                    compliance) in any service information                 under Executive Order 13132. This
                                                Register’s regulations for approving                    have a direct effect on detecting,                     proposed AD would not have a
                                                materials incorporated by reference.                    preventing, resolving, or eliminating an               substantial direct effect on the States, on
                                                However, we have reviewed Airbus                        identified unsafe condition.                           the relationship between the national
                                                Service Bulletin A320–53–1265,                            As specified in a NOTE under the                     Government and the States, or on the
                                                Revision 02, dated July 10, 2014, which                 Accomplishment Instructions of the                     distribution of power and
                                                updated the kit information and the                     specified service information,                         responsibilities among the various
                                                                                                                                                               levels of government.
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                                                effectivity. We revised the applicability               procedures and tests that are identified
                                                in this proposed AD to reflect the                      as RC in any service information must                    For the reasons discussed above, I
                                                effectivity of Airbus Service Bulletin                  be done to comply with the proposed                    certify this proposed regulation:
                                                A320–53–1265, Revision 02, dated July                   AD. However, procedures and tests that                   1. Is not a ‘‘significant regulatory
                                                10, 2014. We also revised the references                are not identified as RC are                           action’’ under Executive Order 12866;
                                                in paragraph (g) of this proposed AD to                 recommended. Those procedures and                        2. Is not a ‘‘significant rule’’ under the
                                                refer to Airbus Service Bulletin A320–                  tests that are not identified as RC may                DOT Regulatory Policies and Procedures
                                                53–1265, Revision 02, dated July 10,                    be deviated from using accepted                        (44 FR 11034, February 26, 1979);


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                                                3056                 Federal Register / Vol. 81, No. 12 / Wednesday, January 20, 2016 / Proposed Rules

                                                  3. Will not affect intrastate aviation in             (g) Modification of Fastener Locations                 (j) Related Information
                                                Alaska; and                                                Before the accumulation of 48,000 total                (1) Refer to Mandatory Continuing
                                                  4. Will not have a significant                        flight cycles or 96,000 total flight hours,            Airworthiness Information (MCAI) EASA
                                                economic impact, positive or negative,                  whichever occurs first since the airplane’s            Airworthiness Directive 2015–0085, dated
                                                                                                        first flight, modify the 8 fastener locations in       May 13, 2015, for related information. This
                                                on a substantial number of small entities               the longeron area (stringer 20A) below the             MCAI may be found in the AD docket on the
                                                under the criteria of the Regulatory                    emergency exit cut-outs on both RH and LH              Internet at http://www.regulations.gov/
                                                Flexibility Act.                                        sides, in accordance with the                          #!documentDetail;D=FAA-2014-0922-0002.
                                                                                                        Accomplishment Instructions of Airbus                     (2) For service information identified in
                                                List of Subjects in 14 CFR Part 39
                                                                                                        Service Bulletin A320–53–1265, Revision 02,            this AD, contact Airbus, Airworthiness
                                                  Air transportation, Aircraft, Aviation                dated July 10, 2014.                                   Office—EIAS, 1 Rond Point Maurice
                                                safety, Incorporation by reference,                     (h) Credit for Previous Actions                        Bellonte, 31707 Blagnac Cedex, France;
                                                Safety.                                                                                                        telephone +33 5 61 93 36 96; fax +33 5 61
                                                                                                           This paragraph provides credit for the              93 44 51; email account.airworth-eas@
                                                The Proposed Amendment                                  actions required by paragraph (g) of this AD,          airbus.com; Internet http://www.airbus.com.
                                                                                                        if those actions were performed before the             You may view this referenced service
                                                  Accordingly, under the authority                      effective date of this AD using Airbus Service         information at the FAA, Transport Airplane
                                                delegated to me by the Administrator,                   Bulletin A320–53–1265, dated January 2,                Directorate, 1601 Lind Avenue SW., Renton,
                                                the FAA proposes to amend 14 CFR part                   2013; or Airbus Service Bulletin A320–53–              WA. You may view this service information
                                                                                                        1265, Revision 01, dated July 2, 2013; which           at the FAA, Transport Airplane Directorate,
                                                39 as follows:                                          are not incorporated by reference in this AD.          1601 Lind Avenue SW., Renton, WA. For
                                                PART 39–AIRWORTHINESS                                   (i) Other FAA AD Provisions                            information on the availability of this
                                                DIRECTIVES                                                                                                     material at the FAA, call 425–227–1221.
                                                                                                           The following provisions also apply to this
                                                                                                        AD:                                                       Issued in Renton, Washington, on January
                                                ■ 1. The authority citation for part 39                    (1) Alternative Methods of Compliance               5, 2016.
                                                continues to read as follows:                           (AMOCs): The Manager, International                    Victor Wicklund,
                                                                                                        Branch, ANM–116, Transport Airplane                    Acting Manager, Transport Airplane
                                                    Authority: 49 U.S.C. 106(g), 40113, 44701.          Directorate, FAA, has the authority to                 Directorate, Aircraft Certification Service.
                                                § 39.13   [Amended]                                     approve AMOCs for this AD, if requested
                                                                                                        using the procedures found in 14 CFR 39.19.            [FR Doc. 2016–00699 Filed 1–19–16; 8:45 am]
                                                ■ 2. The FAA amends § 39.13 by adding                   In accordance with 14 CFR 39.19, send your             BILLING CODE 4910–13–P
                                                the following new airworthiness                         request to your principal inspector or local
                                                directive (AD):                                         Flight Standards District Office, as
                                                                                                        appropriate. If sending information directly           DEPARTMENT OF TRANSPORTATION
                                                Airbus: Docket No. FAA–2014–0922;                       to the International Branch, send it to ATTN:
                                                    Directorate Identifier 2014–NM–156–AD.              Sanjay Ralhan, Aerospace Engineer,                     Federal Aviation Administration
                                                (a) Comments Due Date                                   International Branch, ANM–116, Transport
                                                                                                        Airplane Directorate, FAA, 1601 Lind                   14 CFR Part 39
                                                  We must receive comments by March 7,                  Avenue SW., Renton, WA 98057–3356;
                                                2016.                                                   telephone 425–227–1405; fax 425–227–1149.              [Docket No. FAA–2015–8469; Directorate
                                                (b) Affected ADs                                        Information may be emailed to: 9-ANM-116-              Identifier 2014–NM–105–AD]
                                                                                                        AMOC-REQUESTS@faa.gov. Before using
                                                  None.                                                                                                        RIN 2120–AA64
                                                                                                        any approved AMOC, notify your appropriate
                                                (c) Applicability                                       principal inspector, or lacking a principal
                                                                                                                                                               Airworthiness Directives; Fokker
                                                   This AD applies to the Airbus airplanes              inspector, the manager of the local flight
                                                                                                        standards district office/certificate holding          Services B.V. Airplanes
                                                identified in paragraphs (c)(1) and (c)(2) of
                                                this AD, certificated in any category, except           district office. The AMOC approval letter              AGENCY: Federal Aviation
                                                those on which Airbus modification (mod)                must specifically reference this AD.
                                                                                                                                                               Administration (FAA), DOT.
                                                152637 has been embodied in production.                    (2) Contacting the Manufacturer: For any
                                                                                                        requirement in this AD to obtain corrective            ACTION: Notice of proposed rulemaking
                                                   (1) Airbus Model A319–111, –112, –113,
                                                –114, –115, –131, –132, and –133 airplanes,             actions from a manufacturer, the action must           (NPRM).
                                                all manufacturer serial numbers (MSN).                  be accomplished using a method approved
                                                                                                        by the Manager, International Branch, ANM–             SUMMARY:   We propose to adopt a new
                                                   (2) Airbus Model A320–211, –212, –214,
                                                –231, –232, and –233 airplanes, all                     116, Transport Airplane Directorate, FAA; or           airworthiness directive (AD) for all
                                                manufacturer serial numbers (MSN).                      the European Aviation Safety Agency                    Fokker Services B.V. Model F.28 Mark
                                                                                                        (EASA); or Airbus’s EASA Design                        1000, 2000, 3000, and 4000 airplanes.
                                                (d) Subject                                             Organization Approval (DOA). If approved by            This proposed AD was prompted by a
                                                  Air Transport Association (ATA) of                    the DOA, the approval must include the                 design review that revealed insufficient
                                                America Code 53, Fuselage.                              DOA-authorized signature.
                                                                                                                                                               measures were taken to ensure the
                                                                                                           (3) Required for Compliance (RC): If any
                                                (e) Reason                                              service information contains procedures or             correct locking of the attachments of the
                                                   This AD was prompted by a report that                tests that are identified as RC, those                 fuel quantity tank units (FQTUs) in each
                                                fatigue cracking could appear at certain                procedures and tests must be done to comply            wing tank. When an FQTU becomes
                                                fastener locations in the longeron area below           with this AD; any procedures or tests that are         loose, this could lead to insufficient
                                                the emergency exit cut-outs. We are issuing             not identified as RC are recommended. Those            clearance between the FQTU and the
                                                this AD to detect and correct cracking at               procedures and tests that are not identified           adjacent tank structure or other metal
                                                                                                        as RC may be deviated from using accepted
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                                                certain fastener locations in the longeron area                                                                parts, and under certain conditions,
                                                below the emergency exit cut-outs, which                methods in accordance with the operator’s              create an ignition source inside the wing
                                                could lead to failure of the fasteners and              maintenance or inspection program without
                                                                                                                                                               fuel vapor space. This proposed AD
                                                reduced structural integrity of the airplane.           obtaining approval of an AMOC, provided
                                                                                                        the procedures and tests identified as RC can          would require modifying the FQTUs by
                                                (f) Compliance                                          be done and the airplane can be put back in            applying sealant to cover the nuts,
                                                   Comply with this AD within the                       an airworthy condition. Any substitutions or           washers, and stud ends at the FQTU
                                                compliance times specified, unless already              changes to procedures or tests identified as           attachments in each main wing tank.
                                                done.                                                   RC require approval of an AMOC.                        This proposed AD would also require


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Document Created: 2016-01-19 23:43:35
Document Modified: 2016-01-19 23:43:35
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
ActionSupplemental notice of proposed rulemaking (NPRM); reopening of comment period.
DatesWe must receive comments on this SNPRM by March 7, 2016.
ContactSanjay Ralhan, Aerospace Engineer, International Branch, ANM-116, Transport Airplane Directorate, FAA, 1601 Lind Avenue SW., Renton, WA 98057-3356; telephone 425-227-1405; fax 425-227-1149.
FR Citation81 FR 3053 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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