83_FR_39110 83 FR 38957 - Airworthiness Directives; The Boeing Company Airplanes

83 FR 38957 - Airworthiness Directives; The Boeing Company Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 83, Issue 153 (August 8, 2018)

Page Range38957-38959
FR Document2018-16509

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-100, -100B, -100B SUD, -200B, -200C, - 200F, -300, -400, -400D, 747SP, and 747SR, and 747-8 series airplanes. This AD was prompted by reports indicating that additional areas of Boeing Material Specification (BMS) 8-39 flexible urethane foam were found during an inspection required by a related AD. This AD requires inspecting for BMS 8-39 flexible urethane foam insulation in the floor panel assemblies and the power drive unit (PDU) cover assemblies, doing applicable on-condition actions, modifying certain dripshields, and replacing BMS 8-39 foam strips on certain dripshields with BMS 8-371 foam strips. We are issuing this AD to address the unsafe condition on these products.

Federal Register, Volume 83 Issue 153 (Wednesday, August 8, 2018)
[Federal Register Volume 83, Number 153 (Wednesday, August 8, 2018)]
[Rules and Regulations]
[Pages 38957-38959]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-16509]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2018-0276; Product Identifier 2017-NM-079-AD; Amendment 
39-19346; AD 2018-16-06]
RIN 2120-AA64


Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
The Boeing Company Model 747-100, -100B, -100B SUD, -200B, -200C, -
200F, -300, -400, -400D, 747SP, and 747SR, and 747-8 series airplanes. 
This AD was prompted by reports indicating that additional areas of 
Boeing Material Specification (BMS) 8-39 flexible urethane foam were 
found during an inspection required by a related AD. This AD requires 
inspecting for BMS 8-39 flexible urethane foam insulation in the floor 
panel assemblies and the power drive unit (PDU) cover assemblies, doing 
applicable on-condition actions, modifying certain dripshields, and 
replacing BMS 8-39 foam strips on certain dripshields with BMS 8-371 
foam strips. We are issuing this AD to address the unsafe condition on 
these products.

DATES: This AD is effective September 12, 2018.
    The Director of the Federal Register approved the incorporation by 
reference of certain publications listed in this AD as of September 12, 
2018.

ADDRESSES: For service information identified in this final rule, 
contact Boeing Commercial Airplanes, Attention: Contractual & Data 
Services (C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 
90740-5600; telephone 562-797-1717; internet https://www.myboeingfleet.com. You may view this service information at the 
FAA, Transport Standards Branch, 2200 South 216th St., Des Moines, WA. 
For information on the availability of this material at the FAA, call 
206-231-3195. It is also available on the internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2018-
0276.

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-2018-
0276; or in person at Docket Operations between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays. The AD docket contains 
this final rule, the regulatory evaluation, any comments received, and 
other information. The address for Docket Operations (phone: 800-647-
5527) is Docket Operations, U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue SE, Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Scott Craig, Aerospace Engineer, Cabin 
Safety and Environmental Systems Section, FAA, Seattle ACO Branch, 2200 
South 216th St., Des Moines, WA 98198; phone and fax: 206-231-3566; 
email: Michael.S.Craig@faa.gov.

SUPPLEMENTARY INFORMATION: 

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 by adding an AD that would apply to certain The Boeing Company 
Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -
400D, 747SP, and 747SR, and 747-8 series airplanes. The NPRM published 
in the Federal Register on April 17, 2018 (83 FR 16796). The NPRM was 
prompted by reports indicating that additional areas of BMS 8-39 
flexible urethane foam were found during an inspection required by a 
related AD. The NPRM proposed to require inspecting for BMS 8-39 
flexible urethane foam insulation in the floor panel assemblies and the 
PDU cover assemblies, doing applicable on-condition actions, modifying 
certain dripshields, and replacing BMS 8-39 foam strips on certain 
dripshields with BMS 8-371 foam strips.
    We are issuing this AD to address BMS 8-39 flexible urethane foam 
in certain areas, which, if exposed to an ignition source, could cause 
an uncontrolled fire leading to loss of control of the airplane.

Comments

    We gave the public the opportunity to participate in developing 
this final rule. We have considered the comment received. Boeing stated 
that it had no objection to the NPRM.

Conclusion

    We reviewed the relevant data, considered the comments received, 
and determined that air safety and the public interest require adopting 
this final rule as proposed, except for minor editorial changes. We 
have determined that these minor changes:
     Are consistent with the intent that was proposed in the 
NPRM for addressing the unsafe condition; and
     Do not add any additional burden upon the public than was 
already proposed in the NPRM.

Related Service Information Under 1 CFR Part 51

    We reviewed the following Boeing service information.
     Boeing Special Attention Service Bulletin 747-53-2877, 
dated August 5, 2014, which describes procedures for performing a 
general visual inspection for BMS 8-39 flexible urethane foam 
insulation in the floor panel assemblies and the PDU cover assemblies, 
and applicable on-condition actions.
     Boeing Special Attention Service Bulletin 747-25-3646, 
Revision 1, dated

[[Page 38958]]

August 2, 2017, which describes procedures for replacing BMS 8-39 foam 
strips with BMS 8-371 foam strips on certain dripshields.
     Boeing Special Attention Service Bulletin 747-25-3692, 
dated June 22, 2016, which describes procedures for modifying and 
replacing BMS 8-39 foam strips with BMS 8-371 foam strips on certain 
dripshields.
    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.

Costs of Compliance

    We estimate that this AD affects 87 airplanes of U.S. registry. We 
estimate the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                                 Cost on U.S.
             Action                   Labor cost          Parts cost       Cost per product        operators
----------------------------------------------------------------------------------------------------------------
Inspection and replacement......  25 work-hour x $85  Up to $184,460....  Up to $186,585....  Up to $6,157,305
                                   per hour = $2,125.                                          (33 airplanes
                                                                                               affected).
Modification and installation of  10 work-hours x     Unavailable \1\...  $850..............  $44,200 (52
 the dripshields.                  $85 per hour =                                              airplanes
                                   $850.                                                       affected).
Replacement of the foam on the    8 work-hours x $85  Unavailable \1\...  $680..............  $4,760 (7
 dripshields.                      per hour = $680.                                            airplanes
                                                                                               affected).
----------------------------------------------------------------------------------------------------------------
\1\ We have received no definitive data that would enable us to provide parts cost estimates as the parts and
  materials are to be supplied by the operator for the actions specified in this AD.

    We have received no definitive data that would enable us to provide 
cost estimates for the on-condition actions specified in this AD.
    According to the manufacturer, some of the costs of this AD may be 
covered under warranty, thereby reducing the cost impact on affected 
individuals. We do not control warranty coverage for affected 
individuals. As a result, we have included all available costs in our 
cost estimate.

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.
    This AD is issued in accordance with authority delegated by the 
Executive Director, Aircraft Certification Service, as authorized by 
FAA Order 8000.51C. In accordance with that order, issuance of ADs is 
normally a function of the Compliance and Airworthiness Division, but 
during this transition period, the Executive Director has delegated the 
authority to issue ADs applicable to transport category airplanes and 
associated appliances to the Director of the System Oversight Division.

Regulatory Findings

    This AD will not have federalism implications under Executive Order 
13132. This AD will not have a substantial direct effect on the States, 
on the relationship between the national government and the States, or 
on the distribution of power and responsibilities among the various 
levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

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

Adoption of the Amendment

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

PART 39--AIRWORTHINESS DIRECTIVES

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

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

Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness 
directive (AD):

2018-16-06 The Boeing Company: Amendment 39-19346; Docket No. FAA-
2018-0276; Product Identifier 2017-NM-079-AD.

(a) Effective Date

    This AD is effective September 12, 2018.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to The Boeing Company airplanes, certificated in 
any category, as identified in paragraphs (c)(1), (c)(2), and (c)(3) 
of this AD.
    (1) Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 
-400, -400D, 747SP, and 747SR series airplanes, as identified in 
Boeing Special Attention Service Bulletin 747-53-2877, dated August 
5, 2014.
    (2) Model 747-400, -400D, and 747-8 series airplanes, as 
identified in Boeing Special Attention Service Bulletin 747-25-3646, 
Revision 1, dated August 2, 2017.
    (3) Model 747-100, -100B, -100B SUD, -200B, -300, 747SP, and 
747SR series airplanes, as identified in Boeing Special Attention 
Service Bulletin 747-25-3692, dated June 22, 2016.

(d) Subject

    Air Transport Association (ATA) of America Code 25, Equipment/
furnishings; 53, Fuselage.

(e) Unsafe Condition

    This AD was prompted by reports indicating that additional areas 
of Boeing Material Specification (BMS) 8-39 flexible urethane foam 
were found during an inspection required by a related AD. The 
degradation of the foam increases the

[[Page 38959]]

potential for an uncontrolled fire below the passenger compartment 
floor and other locations outside the areas covered by smoke 
detection and fire protection systems. We are issuing this AD to 
detect and replace BMS 8-39 flexible urethane foam in certain areas, 
which, if exposed to an ignition source, could cause an uncontrolled 
fire leading to loss of control of the airplane.

(f) Compliance

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

(g) Required Actions

    Within 72 months after the effective date of this AD, do all 
actions identified as ``RC'' (required for compliance) in, and in 
accordance with, the Accomplishment Instructions of the applicable 
service information identified in paragraphs (g)(1), (g)(2), and 
(g)(3) of this AD.
    (1) For airplanes identified in paragraph (c)(1) of this AD: 
Boeing Special Attention Service Bulletin 747-53-2877, dated August 
5, 2014.
    (2) For airplanes identified in paragraph (c)(2) of this AD: 
Boeing Special Attention Service Bulletin 747-25-3646, Revision 1, 
dated August 2, 2017.
    (3) For airplanes identified in paragraph (c)(3) of this AD: 
Boeing Special Attention Service Bulletin 747-25-3692, dated June 
22, 2016.

(h) Credit for Previous Actions

    This paragraph provides credit for the actions specified in 
paragraph (g)(2) of this AD, if those actions were performed before 
the effective date of this AD using Boeing Special Attention Service 
Bulletin 747-25-3646, dated June 19, 2015.

(i) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Seattle ACO Branch, 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 
manager of the certification office, send it to the attention of the 
person identified in paragraph (j)(1) of this AD. Information may be 
emailed to: 9-ANM-Seattle-ACO-AMOC-Requests@faa.gov.
    (2) 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.
    (3) An AMOC that provides an acceptable level of safety may be 
used for any repair, modification, or alteration required by this AD 
if it is approved by the Boeing Commercial Airplanes Organization 
Designation Authorization (ODA) that has been authorized by the 
Manager, Seattle ACO Branch, to make those findings. To be approved, 
the repair method, modification deviation, or alteration deviation 
must meet the certification basis of the airplane, and the approval 
must specifically refer to this AD.
    (4) For service information that contains steps that are labeled 
as Required for Compliance (RC), the provisions of paragraphs 
(i)(4)(i) and (i)(4)(ii) of this AD apply.
    (i) The steps labeled as RC, including substeps under an RC step 
and any figures identified in an RC step, must be done to comply 
with the AD. If a step or substep is labeled ``RC Exempt,'' then the 
RC requirement is removed from that step or substep. An AMOC is 
required for any deviations to RC steps, including substeps and 
identified figures.
    (ii) Steps not labeled 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 RC 
steps, including substeps and identified figures, can still be done 
as specified, and the airplane can be put back in an airworthy 
condition.

(j) Related Information

    (1) For more information about this AD, contact Scott Craig, 
Aerospace Engineer, Cabin Safety and Environmental Systems Section, 
FAA, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-
231-3566; email: Michael.S.Craig@faa.gov.
    (2) Service information identified in this AD that is not 
incorporated by reference is available at the addresses specified in 
paragraphs (k)(3) and (k)(4) of this AD.

(k) Material Incorporated by Reference

    (1) The Director of the Federal Register approved the 
incorporation by reference (IBR) of the service information listed 
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
    (2) You must use this service information as applicable to do 
the actions required by this AD, unless the AD specifies otherwise.
    (i) Boeing Special Attention Service Bulletin 747-25-3646, 
Revision 1, dated August 2, 2017.
    (ii) Boeing Special Attention Service Bulletin 747-25-3692, 
dated June 22, 2016.
    (iii) Boeing Special Attention Service Bulletin 747-53-2877, 
dated August 5, 2014.
    (3) For service information identified in this AD, contact 
Boeing Commercial Airplanes, Attention: Contractual & Data Services 
(C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-
5600; telephone 562-797-1717; internet https://www.myboeingfleet.com.
    (4) You may view this service information at the FAA, Transport 
Standards Branch, 2200 South 216th St., Des Moines, WA. For 
information on the availability of this material at the FAA, call 
206-231-3195.
    (5) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Des Moines, Washington, on July 23, 2018.
James Cashdollar,
Acting Director, System Oversight Division, Aircraft Certification 
Service.
[FR Doc. 2018-16509 Filed 8-7-18; 8:45 am]
 BILLING CODE 4910-13-P



                                                            Federal Register / Vol. 83, No. 153 / Wednesday, August 8, 2018 / Rules and Regulations                                        38957

                                           Branch, FAA, 2200 South 216th St., Des                  –100B, –100B SUD, –200B, –200C,                       SUPPLEMENTARY INFORMATION:
                                           Moines, WA 98198; telephone and fax 206–                –200F, –300, –400, –400D, 747SP, and
                                           231–3223.                                                                                                     Discussion
                                                                                                   747SR, and 747–8 series airplanes. This
                                             (3) Service information identified in this                                                                    We issued a notice of proposed
                                                                                                   AD was prompted by reports indicating
                                           AD that is not incorporated by reference is                                                                   rulemaking (NPRM) to amend 14 CFR
                                           available at the addresses specified in                 that additional areas of Boeing Material
                                           paragraphs (o)(4) and (o)(5) of this AD.                Specification (BMS) 8–39 flexible                     part 39 by adding an AD that would
                                                                                                   urethane foam were found during an                    apply to certain The Boeing Company
                                           (o) Material Incorporated by Reference                  inspection required by a related AD.                  Model 747–100, –100B, –100B SUD,
                                              (1) The Director of the Federal Register             This AD requires inspecting for BMS 8–                –200B, –200C, –200F, –300, –400,
                                           approved the incorporation by reference                 39 flexible urethane foam insulation in               –400D, 747SP, and 747SR, and 747–8
                                           (IBR) of the service information listed in this                                                               series airplanes. The NPRM published
                                                                                                   the floor panel assemblies and the
                                           paragraph under 5 U.S.C. 552(a) and 1 CFR                                                                     in the Federal Register on April 17,
                                           part 51.                                                power drive unit (PDU) cover
                                              (2) You must use this service information            assemblies, doing applicable on-                      2018 (83 FR 16796). The NPRM was
                                           as applicable to do the actions required by             condition actions, modifying certain                  prompted by reports indicating that
                                           this AD, unless this AD specifies otherwise.            dripshields, and replacing BMS 8–39                   additional areas of BMS 8–39 flexible
                                              (3) The following service information was            foam strips on certain dripshields with               urethane foam were found during an
                                           approved for IBR on August 3, 2017 (82 FR               BMS 8–371 foam strips. We are issuing                 inspection required by a related AD.
                                           29371, June 29, 2017).                                  this AD to address the unsafe condition               The NPRM proposed to require
                                              (i) Airbus Service Bulletin A320–71–1069,            on these products.                                    inspecting for BMS 8–39 flexible
                                           Revision 01, including Appendix 01, dated                                                                     urethane foam insulation in the floor
                                           April 28, 2016.                                         DATES: This AD is effective September
                                              (ii) Reserved.                                       12, 2018.                                             panel assemblies and the PDU cover
                                              (4) For service information identified in               The Director of the Federal Register               assemblies, doing applicable on-
                                           this AD, contact Airbus SAS, Airworthiness              approved the incorporation by reference               condition actions, modifying certain
                                           Office—EIAS, Rond-Point Emile Dewoitine                 of certain publications listed in this AD             dripshields, and replacing BMS 8–39
                                           No: 2, 31700 Blagnac Cedex, France;                     as of September 12, 2018.                             foam strips on certain dripshields with
                                           telephone +33 5 61 93 36 96; fax +33 5 61
                                                                                                   ADDRESSES: For service information                    BMS 8–371 foam strips.
                                           93 44 51; email account.airworth-eas@                                                                           We are issuing this AD to address
                                           airbus.com; internet http://www.airbus.com.             identified in this final rule, contact
                                                                                                   Boeing Commercial Airplanes,                          BMS 8–39 flexible urethane foam in
                                              (5) You may view this service information                                                                  certain areas, which, if exposed to an
                                           at the FAA, Transport Standards Branch,                 Attention: Contractual & Data Services
                                                                                                   (C&DS), 2600 Westminster Blvd., MC                    ignition source, could cause an
                                           2200 South 216th St., Des Moines, WA. For
                                           information on the availability of this                 110–SK57, Seal Beach, CA 90740–5600;                  uncontrolled fire leading to loss of
                                           material at the FAA, call 206–231–3195.                 telephone 562–797–1717; internet                      control of the airplane.
                                              (6) You may view this service information            https://www.myboeingfleet.com. You                    Comments
                                           that is incorporated by reference at the                may view this service information at the
                                           National Archives and Records                                                                                   We gave the public the opportunity to
                                                                                                   FAA, Transport Standards Branch, 2200                 participate in developing this final rule.
                                           Administration (NARA). For information on
                                           the availability of this material at NARA, call         South 216th St., Des Moines, WA. For                  We have considered the comment
                                           202–741–6030, or go to: http://                         information on the availability of this               received. Boeing stated that it had no
                                           www.archives.gov/federal-register/cfr/ibr-              material at the FAA, call 206–231–3195.               objection to the NPRM.
                                           locations.html.                                         It is also available on the internet at
                                             Issued in Des Moines, Washington, on July             http://www.regulations.gov by searching               Conclusion
                                           23, 2018.                                               for and locating Docket No. FAA–2018–                    We reviewed the relevant data,
                                           James Cashdollar,                                       0276.                                                 considered the comments received, and
                                           Acting Director, System Oversight Division,             Examining the AD Docket                               determined that air safety and the
                                           Aircraft Certification Service.                                                                               public interest require adopting this
                                                                                                     You may examine the AD docket on                    final rule as proposed, except for minor
                                           [FR Doc. 2018–16576 Filed 8–7–18; 8:45 am]
                                                                                                   the internet at http://                               editorial changes. We have determined
                                           BILLING CODE 4910–13–P                                  www.regulations.gov by searching for                  that these minor changes:
                                                                                                   and locating Docket No. FAA–2018–                        • Are consistent with the intent that
                                                                                                   0276; or in person at Docket Operations               was proposed in the NPRM for
                                           DEPARTMENT OF TRANSPORTATION                            between 9 a.m. and 5 p.m., Monday                     addressing the unsafe condition; and
                                           Federal Aviation Administration                         through Friday, except Federal holidays.                 • Do not add any additional burden
                                                                                                   The AD docket contains this final rule,               upon the public than was already
                                           14 CFR Part 39                                          the regulatory evaluation, any                        proposed in the NPRM.
                                                                                                   comments received, and other
                                           [Docket No. FAA–2018–0276; Product                      information. The address for Docket                   Related Service Information Under 1
                                           Identifier 2017–NM–079–AD; Amendment                    Operations (phone: 800–647–5527) is                   CFR Part 51
                                           39–19346; AD 2018–16–06]                                Docket Operations, U.S. Department of                   We reviewed the following Boeing
                                           RIN 2120–AA64                                           Transportation, Docket Operations, M–                 service information.
                                                                                                   30, West Building Ground Floor, Room                    • Boeing Special Attention Service
                                           Airworthiness Directives; The Boeing                    W12–140, 1200 New Jersey Avenue SE,                   Bulletin 747–53–2877, dated August 5,
                                           Company Airplanes                                       Washington, DC 20590.                                 2014, which describes procedures for
                                                                                                   FOR FURTHER INFORMATION CONTACT:                      performing a general visual inspection
amozie on DSK3GDR082PROD with RULES




                                           AGENCY:  Federal Aviation
                                           Administration (FAA), DOT.                              Scott Craig, Aerospace Engineer, Cabin                for BMS 8–39 flexible urethane foam
                                           ACTION: Final rule.                                     Safety and Environmental Systems                      insulation in the floor panel assemblies
                                                                                                   Section, FAA, Seattle ACO Branch, 2200                and the PDU cover assemblies, and
                                           SUMMARY:  We are adopting a new                         South 216th St., Des Moines, WA 98198;                applicable on-condition actions.
                                           airworthiness directive (AD) for certain                phone and fax: 206–231–3566; email:                     • Boeing Special Attention Service
                                           The Boeing Company Model 747–100,                       Michael.S.Craig@faa.gov.                              Bulletin 747–25–3646, Revision 1, dated


                                      VerDate Sep<11>2014   16:30 Aug 07, 2018   Jkt 244001   PO 00000   Frm 00007   Fmt 4700   Sfmt 4700   E:\FR\FM\08AUR1.SGM   08AUR1


                                           38958             Federal Register / Vol. 83, No. 153 / Wednesday, August 8, 2018 / Rules and Regulations

                                           August 2, 2017, which describes                          foam strips with BMS 8–371 foam strips                    Costs of Compliance
                                           procedures for replacing BMS 8–39                        on certain dripshields.
                                           foam strips with BMS 8–371 foam strips                                                                               We estimate that this AD affects 87
                                                                                                      This service information is reasonably                  airplanes of U.S. registry. We estimate
                                           on certain dripshields.                                  available because the interested parties
                                             • Boeing Special Attention Service                                                                               the following costs to comply with this
                                                                                                    have access to it through their normal                    AD:
                                           Bulletin 747–25–3692, dated June 22,
                                                                                                    course of business or by the means
                                           2016, which describes procedures for
                                           modifying and replacing BMS 8–39                         identified in the ADDRESSES section.

                                                                                                                 ESTIMATED COSTS
                                                                                                                                                            Cost per                        Cost on U.S.
                                                            Action                               Labor cost                      Parts cost                 product                          operators

                                           Inspection and replacement .......       25 work-hour × $85 per hour =          Up to $184,460 .....      Up to $186,585 .....          Up to $6,157,305 (33 airplanes
                                                                                      $2,125.                                                                                        affected).
                                           Modification and installation of         10 work-hours × $85 per hour =         Unavailable 1 .........   $850 ......................   $44,200 (52 airplanes affected).
                                             the dripshields.                         $850.
                                           Replacement of the foam on the           8 work-hours × $85 per hour =          Unavailable 1 .........   $680 ......................   $4,760 (7 airplanes affected).
                                             dripshields.                             $680.
                                             1 We have received no definitive data that would enable us to provide parts cost estimates as the parts and materials are to be supplied by the
                                           operator for the actions specified in this AD.


                                              We have received no definitive data                   delegated the authority to issue ADs                          Authority: 49 U.S.C. 106(g), 40113, 44701.
                                           that would enable us to provide cost                     applicable to transport category
                                           estimates for the on-condition actions                   airplanes and associated appliances to                    § 39.13      [Amended]
                                           specified in this AD.                                    the Director of the System Oversight                      ■ 2. The FAA amends § 39.13 by adding
                                              According to the manufacturer, some                   Division.                                                 the following new airworthiness
                                           of the costs of this AD may be covered                                                                             directive (AD):
                                           under warranty, thereby reducing the                     Regulatory Findings
                                                                                                                                                              2018–16–06 The Boeing Company:
                                           cost impact on affected individuals. We                    This AD will not have federalism                            Amendment 39–19346; Docket No.
                                           do not control warranty coverage for                     implications under Executive Order                            FAA–2018–0276; Product Identifier
                                           affected individuals. As a result, we                    13132. This AD will not have a                                2017–NM–079–AD.
                                           have included all available costs in our                 substantial direct effect on the States, on
                                                                                                    the relationship between the national                     (a) Effective Date
                                           cost estimate.
                                                                                                    government and the States, or on the                        This AD is effective September 12, 2018.
                                           Authority for This Rulemaking                            distribution of power and                                 (b) Affected ADs
                                              Title 49 of the United States Code                    responsibilities among the various                          None.
                                           specifies the FAA’s authority to issue                   levels of government.
                                           rules on aviation safety. Subtitle I,                      For the reasons discussed above, I                      (c) Applicability
                                           section 106, describes the authority of                  certify that this AD:                                        This AD applies to The Boeing Company
                                           the FAA Administrator. Subtitle VII:                       (1) Is not a ‘‘significant regulatory                   airplanes, certificated in any category, as
                                           Aviation Programs, describes in more                     action’’ under Executive Order 12866,                     identified in paragraphs (c)(1), (c)(2), and
                                           detail the scope of the Agency’s                           (2) Is not a ‘‘significant rule’’ under                 (c)(3) of this AD.
                                           authority.                                               DOT Regulatory Policies and Procedures                       (1) Model 747–100, –100B, –100B SUD,
                                              We are issuing this rulemaking under                  (44 FR 11034, February 26, 1979),                         –200B, –200C, –200F, –300, –400, –400D,
                                           the authority described in Subtitle VII,                   (3) Will not affect intrastate aviation                 747SP, and 747SR series airplanes, as
                                                                                                    in Alaska, and                                            identified in Boeing Special Attention
                                           Part A, Subpart III, Section 44701:                                                                                Service Bulletin 747–53–2877, dated August
                                           ‘‘General requirements.’’ Under that                       (4) Will not have a significant
                                                                                                                                                              5, 2014.
                                           section, Congress charges the FAA with                   economic impact, positive or negative,                       (2) Model 747–400, –400D, and 747–8
                                           promoting safe flight of civil aircraft in               on a substantial number of small entities                 series airplanes, as identified in Boeing
                                           air commerce by prescribing regulations                  under the criteria of the Regulatory                      Special Attention Service Bulletin 747–25–
                                           for practices, methods, and procedures                   Flexibility Act.                                          3646, Revision 1, dated August 2, 2017.
                                           the Administrator finds necessary for                                                                                 (3) Model 747–100, –100B, –100B SUD,
                                                                                                    List of Subjects in 14 CFR Part 39                        –200B, –300, 747SP, and 747SR series
                                           safety in air commerce. This regulation
                                           is within the scope of that authority                      Air transportation, Aircraft, Aviation                  airplanes, as identified in Boeing Special
                                           because it addresses an unsafe condition                 safety, Incorporation by reference,                       Attention Service Bulletin 747–25–3692,
                                                                                                    Safety.                                                   dated June 22, 2016.
                                           that is likely to exist or develop on
                                           products identified in this rulemaking                   Adoption of the Amendment                                 (d) Subject
                                           action.                                                    Accordingly, under the authority                          Air Transport Association (ATA) of
                                              This AD is issued in accordance with                                                                            America Code 25, Equipment/furnishings;
                                                                                                    delegated to me by the Administrator,                     53, Fuselage.
                                           authority delegated by the Executive
                                                                                                    the FAA amends 14 CFR part 39 as
                                           Director, Aircraft Certification Service,
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                                                                                                    follows:                                                  (e) Unsafe Condition
                                           as authorized by FAA Order 8000.51C.
                                                                                                                                                                 This AD was prompted by reports
                                           In accordance with that order, issuance                  PART 39—AIRWORTHINESS                                     indicating that additional areas of Boeing
                                           of ADs is normally a function of the                     DIRECTIVES                                                Material Specification (BMS) 8–39 flexible
                                           Compliance and Airworthiness                                                                                       urethane foam were found during an
                                           Division, but during this transition                     ■ 1. The authority citation for part 39                   inspection required by a related AD. The
                                           period, the Executive Director has                       continues to read as follows:                             degradation of the foam increases the



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                                                            Federal Register / Vol. 83, No. 153 / Wednesday, August 8, 2018 / Rules and Regulations                                              38959

                                           potential for an uncontrolled fire below the               (4) For service information that contains            Issued in Des Moines, Washington, on July
                                           passenger compartment floor and other                   steps that are labeled as Required for                23, 2018.
                                           locations outside the areas covered by smoke            Compliance (RC), the provisions of                    James Cashdollar,
                                           detection and fire protection systems. We are           paragraphs (i)(4)(i) and (i)(4)(ii) of this AD        Acting Director, System Oversight Division,
                                           issuing this AD to detect and replace BMS 8–            apply.                                                Aircraft Certification Service.
                                           39 flexible urethane foam in certain areas,                (i) The steps labeled as RC, including             [FR Doc. 2018–16509 Filed 8–7–18; 8:45 am]
                                           which, if exposed to an ignition source,                substeps under an RC step and any figures
                                           could cause an uncontrolled fire leading to                                                                   BILLING CODE 4910–13–P
                                                                                                   identified in an RC step, must be done to
                                           loss of control of the airplane.
                                                                                                   comply with the AD. If a step or substep is
                                           (f) Compliance                                          labeled ‘‘RC Exempt,’’ then the RC                    DEPARTMENT OF TRANSPORTATION
                                             Comply with this AD within the                        requirement is removed from that step or
                                           compliance times specified, unless already              substep. An AMOC is required for any                  Federal Aviation Administration
                                           done.                                                   deviations to RC steps, including substeps
                                                                                                   and identified figures.                               14 CFR Part 39
                                           (g) Required Actions
                                                                                                      (ii) Steps not labeled as RC may be
                                              Within 72 months after the effective date            deviated from using accepted methods in               [Docket No. FAA–2018–0077; Product
                                           of this AD, do all actions identified as ‘‘RC’’         accordance with the operator’s maintenance            Identifier 2017–NM–126–AD; Amendment
                                           (required for compliance) in, and in                    or inspection program without obtaining               39–19352; AD 2018–16–12]
                                           accordance with, the Accomplishment                     approval of an AMOC, provided the RC steps,           RIN 2120–AA64
                                           Instructions of the applicable service
                                                                                                   including substeps and identified figures, can
                                           information identified in paragraphs (g)(1),
                                           (g)(2), and (g)(3) of this AD.
                                                                                                   still be done as specified, and the airplane          Airworthiness Directives; Airbus
                                              (1) For airplanes identified in paragraph            can be put back in an airworthy condition.            Airplanes
                                           (c)(1) of this AD: Boeing Special Attention             (j) Related Information                               AGENCY:  Federal Aviation
                                           Service Bulletin 747–53–2877, dated August
                                           5, 2014.                                                  (1) For more information about this AD,             Administration (FAA), Department of
                                              (2) For airplanes identified in paragraph            contact Scott Craig, Aerospace Engineer,              Transportation (DOT).
                                           (c)(2) of this AD: Boeing Special Attention             Cabin Safety and Environmental Systems                ACTION: Final rule.
                                           Service Bulletin 747–25–3646, Revision 1,               Section, FAA, 2200 South 216th St., Des
                                           dated August 2, 2017.                                   Moines, WA 98198; phone and fax: 206–231–             SUMMARY:   We are adopting a new
                                              (3) For airplanes identified in paragraph            3566; email: Michael.S.Craig@faa.gov.                 airworthiness directive (AD) for certain
                                           (c)(3) of this AD: Boeing Special Attention               (2) Service information identified in this          Airbus Model A319 and A320 series
                                           Service Bulletin 747–25–3692, dated June 22,            AD that is not incorporated by reference is           airplanes; and A321–111, –112, –131,
                                           2016.                                                   available at the addresses specified in               –211, –212, –213, –231, and –232
                                           (h) Credit for Previous Actions                         paragraphs (k)(3) and (k)(4) of this AD.              airplanes. This AD was prompted by
                                             This paragraph provides credit for the                (k) Material Incorporated by Reference                reports of battery retaining rod failures
                                           actions specified in paragraph (g)(2) of this                                                                 due to quality defects of the material
                                                                                                      (1) The Director of the Federal Register           used during parts manufacturing. This
                                           AD, if those actions were performed before
                                           the effective date of this AD using Boeing              approved the incorporation by reference               AD requires a detailed inspection of the
                                           Special Attention Service Bulletin 747–25–              (IBR) of the service information listed in this
                                                                                                                                                         battery support assemblies to identify
                                           3646, dated June 19, 2015.                              paragraph under 5 U.S.C. 552(a) and 1 CFR
                                                                                                                                                         the battery retaining rod manufacturer,
                                                                                                   part 51.
                                           (i) Alternative Methods of Compliance                                                                         replacement of the battery retaining rods
                                                                                                      (2) You must use this service information
                                           (AMOCs)                                                                                                       with serviceable battery retaining rods if
                                                                                                   as applicable to do the actions required by
                                              (1) The Manager, Seattle ACO Branch,                 this AD, unless the AD specifies otherwise.
                                                                                                                                                         necessary, and the addition of the
                                           FAA, has the authority to approve AMOCs                    (i) Boeing Special Attention Service
                                                                                                                                                         applicable service information label on
                                           for this AD, if requested using the procedures          Bulletin 747–25–3646, Revision 1, dated               each battery retaining rod if necessary.
                                           found in 14 CFR 39.19. In accordance with               August 2, 2017.                                       We are issuing this AD to address the
                                           14 CFR 39.19, send your request to your                                                                       unsafe condition on these products.
                                                                                                      (ii) Boeing Special Attention Service
                                           principal inspector or local Flight Standards
                                                                                                   Bulletin 747–25–3692, dated June 22, 2016.            DATES: This AD is effective September
                                           District Office, as appropriate. If sending
                                           information directly to the manager of the                 (iii) Boeing Special Attention Service             12, 2018.
                                           certification office, send it to the attention of       Bulletin 747–53–2877, dated August 5, 2014.             The Director of the Federal Register
                                           the person identified in paragraph (j)(1) of               (3) For service information identified in          approved the incorporation by reference
                                           this AD. Information may be emailed to:                 this AD, contact Boeing Commercial                    of certain publications listed in this AD
                                           9-ANM-Seattle-ACO-AMOC-Requests@                        Airplanes, Attention: Contractual & Data              as of September 12, 2018.
                                           faa.gov.                                                Services (C&DS), 2600 Westminster Blvd.,              ADDRESSES: For service information
                                              (2) Before using any approved AMOC,                  MC 110–SK57, Seal Beach, CA 90740–5600;
                                                                                                                                                         identified in this final rule, contact
                                           notify your appropriate principal inspector,            telephone 562–797–1717; internet https://
                                           or lacking a principal inspector, the manager                                                                 Airbus, Airworthiness Office—EIAS, 2
                                                                                                   www.myboeingfleet.com.
                                           of the local flight standards district office/                                                                Rond Point Emile Dewoitine, 31700
                                                                                                      (4) You may view this service information
                                           certificate holding district office.                    at the FAA, Transport Standards Branch,
                                                                                                                                                         Blagnac Cedex, France; telephone +33 5
                                              (3) An AMOC that provides an acceptable              2200 South 216th St., Des Moines, WA. For             61 93 36 96; fax +33 5 61 93 44 51; email
                                           level of safety may be used for any repair,             information on the availability of this               account.airworth-eas@airbus.com;
                                           modification, or alteration required by this                                                                  internet http://www.airbus.com. You
                                                                                                   material at the FAA, call 206–231–3195.
                                           AD if it is approved by the Boeing                                                                            may view this referenced service
                                                                                                      (5) You may view this service information
                                           Commercial Airplanes Organization                                                                             information at the FAA, Transport
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                                           Designation Authorization (ODA) that has                that is incorporated by reference at the
                                                                                                   National Archives and Records                         Standards Branch, 2200 South 216th St.,
                                           been authorized by the Manager, Seattle ACO
                                           Branch, to make those findings. To be                   Administration (NARA). For information on             Des Moines, WA. For information on the
                                           approved, the repair method, modification               the availability of this material at NARA, call       availability of this material at the FAA,
                                           deviation, or alteration deviation must meet            202–741–6030, or go to: http://                       call 206–231–3195. It is also available
                                           the certification basis of the airplane, and the        www.archives.gov/federal-register/cfr/ibr-            on the internet at http://
                                           approval must specifically refer to this AD.            locations.html.                                       www.regulations.gov by searching for


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Document Created: 2018-08-08 02:06:47
Document Modified: 2018-08-08 02:06:47
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesThis AD is effective September 12, 2018.
ContactScott Craig, Aerospace Engineer, Cabin Safety and Environmental Systems Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-3566; email: [email protected]
FR Citation83 FR 38957 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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