83 FR 21946 - Airworthiness Directives; The Boeing Company Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 83, Issue 92 (May 11, 2018)

Page Range		21946-21948
FR Document		2018-09977

We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by a report indicating that cracks were found on the fuselage frame webs at stations forward and aft of the overwing emergency exits between stringers S-7 and S-8. This proposed AD would require repetitive high frequency eddy current (HFEC) inspections for cracking of the fuselage frame webs at certain stations between stringers S-7 and S-8 and applicable on-condition actions. We are proposing this AD to address the unsafe condition on these products.

Federal Register, Volume 83 Issue 92 (Friday, May 11, 2018)

[Federal Register Volume 83, Number 92 (Friday, May 11, 2018)]
[Proposed Rules]
[Pages 21946-21948]
From the Federal Register Online [www.thefederalregister.org]
[FR Doc No: 2018-09977]

=======================================================================
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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2018-0392; Product Identifier 2018-NM-044-AD]
RIN 2120-AA64

Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: We propose to adopt a new airworthiness directive (AD) for all
The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500
series airplanes. This proposed AD was prompted by a report indicating
that cracks were found on the fuselage frame webs at stations forward
and aft of the overwing emergency exits between stringers S-7 and S-8.
This proposed AD would require repetitive high frequency eddy current
(HFEC) inspections for cracking of the fuselage frame webs at certain
stations between stringers S-7 and S-8 and applicable on-condition
actions. We are proposing this AD to address the unsafe condition on
these products.

DATES: We must receive comments on this proposed AD by June 25, 2018.

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: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
For service information identified in this NPRM, 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 referenced 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-2018-0392.

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-
0392; 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 NPRM, the regulatory evaluation, any comments received, and other
information. The street address for Docket Operations (phone: 800-647-
5527) is in the ADDRESSES section. Comments will be available in the AD
docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: David Truong, Aerospace Engineer,
Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount
Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5224; fax: 562-627-
5210; email: david.truong@faa.gov.

SUPPLEMENTARY INFORMATION:

Comments Invited

We invite you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under the ADDRESSES section. Include ``Docket No. FAA-2018-0392;
Product Identifier 2018-NM-044-AD'' at the beginning of your comments.
We specifically invite comments on the overall regulatory, economic,
environmental, and energy aspects of this NPRM. We will consider all
comments received by the closing date and may amend this NPRM because
of those comments.
We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We
will also post a report summarizing each substantive verbal contact we
receive about this proposed AD.

Discussion

We have received a report indicating that cracks were found on the
fuselage frame webs at stations forward and aft of the overwing
emergency exits between stringers S-7 and S-8. Cracks were found at
multiple stations and ranged in length from 2.4 inches to 2.55 inches.
The cracks started at the end fastener common to the uppermost shear
tie above the emergency exit doors, where there is high load transfer
due to high shear flows around the emergency exit doors. The cracks are
the result of fatigue loading caused by cyclic pressurization of the
fuselage. This condition, if not addressed, could result in fuselage
frame web cracking, which may lead to subsequent failure of the
surrounding structure, and ultimately result in rapid decompression and
loss of structural integrity of the airplane.

Related Service Information Under 1 CFR Part 51

We reviewed Boeing Alert Requirements Bulletin 737-53A1371 RB,
dated January 19, 2018. The service information describes procedures
for repetitive HFEC inspections for cracking of the fuselage frame webs
at certain stations between stringers S-7 and S-8 and applicable on-
condition actions. The on-condition action is repair. This service
information is reasonably available because the interested parties

[[Page 21947]]

have access to it through their normal course of business or by the
means identified in the ADDRESSES section.

FAA's Determination

We are proposing this AD because we evaluated all the relevant
information and determined the unsafe condition described previously is
likely to exist or develop in other products of the same type design.

Proposed AD Requirements

This proposed AD would require accomplishment of the actions
identified in the Boeing Alert Requirements Bulletin 737-53A1371 RB,
dated January 19, 2018, described previously, except for any
differences identified as exceptions in the regulatory text of this
proposed AD.
For information on the procedures and compliance times, see this
service information at http://www.regulations.gov by searching for and
locating Docket No. FAA-2018-0392.

Explanation of Requirements Bulletin

The FAA worked in conjunction with industry, under the
Airworthiness Directives Implementation Aviation Rulemaking Committee
(AD ARC), to enhance the AD system. One enhancement is a process for
annotating which steps in the service information are ``required for
compliance'' (RC) with an AD. Boeing has implemented this RC concept
into Boeing service bulletins.
In an effort to further improve the quality of ADs and AD-related
Boeing service information, a joint process improvement initiative was
worked between the FAA and Boeing. The initiative resulted in the
development of a new process in which the service information more
clearly identifies the actions needed to address the unsafe condition
in the ``Accomplishment Instructions.'' The new process results in a
Boeing Requirements Bulletin, which contains only the actions needed to
address the unsafe condition (i.e., only the RC actions).

Costs of Compliance

We estimate that this proposed AD affects 63 airplanes of U.S.
registry. We estimate the following costs to comply with this proposed
AD:

Estimated Costs for Required Actions
----------------------------------------------------------------------------------------------------------------
Cost on U.S.
Action Labor cost Parts cost Cost per product operators
----------------------------------------------------------------------------------------------------------------
Repetitive inspections........... Up to 14 work-hours $0 Up to $1,190 per Up to $74,790 per
x $85 per hour = inspection cycle. inspection cycle.
$1,190 per
inspection cycle.
----------------------------------------------------------------------------------------------------------------

We have received no definitive data that would enable us to provide
cost estimates for the on-condition actions specified in this proposed
AD.

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 proposed 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 to the Director of the System Oversight
Division.

Regulatory Findings

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

List of Subjects in 14 CFR Part 39

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

The Proposed Amendment

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

PART 39--AIRWORTHINESS DIRECTIVES

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

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

Sec. 39.13 [Amended]

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

The Boeing Company: Docket No. FAA-2018-0392; Product Identifier
2018-NM-044-AD.

(a) Comments Due Date

We must receive comments by June 25, 2018.

(b) Affected ADs

None.

This AD applies to all The Boeing Company Model 737-100, -200, -
200C, -300, -400, and -500 series airplanes, certificated in any
category.

(d) Subject

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

(e) Unsafe Condition

This AD was prompted by a report indicating that cracks were
found on the

[[Page 21948]]

fuselage frame webs at stations forward and aft of the overwing
emergency exits between stringers S-7 and S-8. We are issuing this
AD to address fuselage frame web cracking, which may lead to
subsequent failure of the surrounding structure, and ultimately
result in rapid decompression and loss of structural integrity of
the airplane.

(f) Compliance

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

(g) Required Actions for Group 1 Airplanes

For airplanes identified as Group 1 in Boeing Alert Requirements
Bulletin 737-53A1371 RB, dated January 19, 2018: Within 120 days
after the effective date of this AD, inspect the fuselage frame webs
at station (STA) 616 and STA 639 between stringers S-7 and S-8 and
do all applicable repairs, using a method approved in accordance
with the procedures specified in paragraph (j) of this AD.

(h) Required Actions for Groups 2 Through 4 Airplanes

Except for airplanes identified in paragraph (g) of this AD and
except as required by paragraph (i) of this AD: At the applicable
times specified in the ``Compliance'' paragraph of Boeing Alert
Requirements Bulletin 737-53A1371 RB, dated January 19, 2018, do all
applicable actions identified in, and in accordance with, the
Accomplishment Instructions of Boeing Alert Requirements Bulletin
737-53A1371 RB, dated January 19, 2018.

Note 1 to paragraph (h) of this AD: Guidance for accomplishing
the actions required by this AD can be found in Boeing Alert Service
Bulletin 737-53A1371, dated January 19, 2018, which is referred to
in Boeing Alert Requirements Bulletin 737-53A1371 RB, dated January
19, 2018.

(i) Exceptions to Service Information Specifications

(1) For purposes of determining compliance with the requirements
of this AD: Where Boeing Alert Requirements Service Bulletin 737-
53A1371 RB, dated January 19, 2018, uses the phrase ``the original
issue date of Requirements Bulletin 737-53A1371 RB,'' this AD
requires using ``the effective date of this AD.''
(2) Where Boeing Alert Requirements Bulletin 737-53A1371 RB,
dated January 19, 2018, specifies contacting Boeing, this AD
requires repair using a method approved in accordance with the
procedures specified in paragraph (j) of this AD.

(j) Alternative Methods of Compliance (AMOCs)

(1) The Manager, Los Angeles 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 (k)(1) of this AD. Information
may be emailed to: 9-ANM-LAACO-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, Los Angeles 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.

(k) Related Information

(1) For more information about this AD, contact David Truong,
Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch,
3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-
5224; fax: 562-627-5210; email: david.truong@faa.gov.
(2) 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. You may view this referenced 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.

Issued in Des Moines, Washington, on April 27, 2018.
Michael Kaszycki,
Acting Director, System Oversight Division, Aircraft Certification
Service.
[FR Doc. 2018-09977 Filed 5-10-18; 8:45 am]
BILLING CODE 4910-13-P

Federal Register / Vol. 83, No. 92 / Friday, May 11, 2018 / Proposed Rules 21947

have access to it through their normal For information on the procedures service information, a joint process
course of business or by the means and compliance times, see this service improvement initiative was worked
identified in the ADDRESSES section. information at http:// between the FAA and Boeing. The
www.regulations.gov by searching for initiative resulted in the development of
FAA’s Determination
and locating Docket No. FAA–2018– a new process in which the service
We are proposing this AD because we 0392. information more clearly identifies the
evaluated all the relevant information
Explanation of Requirements Bulletin actions needed to address the unsafe
and determined the unsafe condition
condition in the ‘‘Accomplishment
described previously is likely to exist or
The FAA worked in conjunction with Instructions.’’ The new process results
develop in other products of the same
industry, under the Airworthiness in a Boeing Requirements Bulletin,
type design.
Directives Implementation Aviation which contains only the actions needed
Proposed AD Requirements Rulemaking Committee (AD ARC), to to address the unsafe condition (i.e.,
This proposed AD would require enhance the AD system. One only the RC actions).
accomplishment of the actions enhancement is a process for annotating
which steps in the service information Costs of Compliance
identified in the Boeing Alert
Requirements Bulletin 737–53A1371 are ‘‘required for compliance’’ (RC) with
an AD. Boeing has implemented this RC We estimate that this proposed AD
RB, dated January 19, 2018, described affects 63 airplanes of U.S. registry. We
previously, except for any differences concept into Boeing service bulletins.
estimate the following costs to comply
identified as exceptions in the In an effort to further improve the with this proposed AD:
regulatory text of this proposed AD. quality of ADs and AD-related Boeing

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

Repetitive inspections .. Up to 14 work-hours × $85 per hour = $1,190 $0 Up to $1,190 per in- Up to $74,790 per in-
per inspection cycle. spection cycle. spection cycle.

We have received no definitive data Director has delegated the authority to The Proposed Amendment
that would enable us to provide cost issue ADs applicable to transport Accordingly, under the authority
estimates for the on-condition actions category airplanes to the Director of the delegated to me by the Administrator,
specified in this proposed AD. System Oversight Division. the FAA proposes to amend 14 CFR part
Authority for This Rulemaking Regulatory Findings 39 as follows:
Title 49 of the United States Code We determined that this proposed AD PART 39—AIRWORTHINESS
specifies the FAA’s authority to issue would not have federalism implications DIRECTIVES
rules on aviation safety. Subtitle I, under Executive Order 13132. This
section 106, describes the authority of ■ 1. The authority citation for part 39
proposed AD would not have a
the FAA Administrator. Subtitle VII: continues to read as follows:
substantial direct effect on the States, on
Aviation Programs, describes in more the relationship between the national Authority: 49 U.S.C. 106(g), 40113, 44701.
detail the scope of the Agency’s Government and the States, or on the
authority. § 39.13 [Amended]
distribution of power and
We are issuing this rulemaking under ■ 2. The FAA amends § 39.13 by adding
responsibilities among the various
the authority described in Subtitle VII, the following new airworthiness
levels of government.
Part A, Subpart III, Section 44701: directive (AD):
For the reasons discussed above, I
‘‘General requirements.’’ Under that The Boeing Company: Docket No. FAA–
certify this proposed regulation: 2018–0392; Product Identifier 2018–
section, Congress charges the FAA with
promoting safe flight of civil aircraft in (1) Is not a ‘‘significant regulatory NM–044–AD.
air commerce by prescribing regulations action’’ under Executive Order 12866, (a) Comments Due Date
for practices, methods, and procedures (2) Is not a ‘‘significant rule’’ under We must receive comments by June 25,
the Administrator finds necessary for the DOT Regulatory Policies and 2018.
safety in air commerce. This regulation Procedures (44 FR 11034, February 26,
is within the scope of that authority (b) Affected ADs
1979),
because it addresses an unsafe condition None.
(3) Will not affect intrastate aviation
that is likely to exist or develop on (c) Applicability
in Alaska, and
products identified in this rulemaking This AD applies to all The Boeing
action. (4) Will not have a significant
Company Model 737–100, –200, –200C,
This proposed AD is issued in economic impact, positive or negative,
sradovich on DSK3GMQ082PROD with PROPOSALS

–300, –400, and –500 series airplanes,
accordance with authority delegated by on a substantial number of small entities certificated in any category.
the Executive Director, Aircraft under the criteria of the Regulatory
Flexibility Act. (d) Subject
Certification Service, as authorized by
FAA Order 8000.51C. In accordance Air Transport Association (ATA) of
List of Subjects in 14 CFR Part 39 America Code 53, Fuselage.
with that order, issuance of ADs is
normally a function of the Compliance Air transportation, Aircraft, Aviation (e) Unsafe Condition
and Airworthiness Division, but during safety, Incorporation by reference, This AD was prompted by a report
this transition period, the Executive Safety. indicating that cracks were found on the

VerDate Sep<11>2014 17:56 May 10, 2018 Jkt 244001 PO 00000 Frm 00007 Fmt 4702 Sfmt 4702 E:\FR\FM\11MYP1.SGM 11MYP1

21948 Federal Register / Vol. 83, No. 92 / Friday, May 11, 2018 / Proposed Rules

fuselage frame webs at stations forward and this AD. Information may be emailed to: 9- missing attachment bolts for the main
aft of the overwing emergency exits between ANM-LAACO-AMOC-Requests@faa.gov. landing gear (MLG) center door
stringers S–7 and S–8. We are issuing this AD (2) Before using any approved AMOC, assemblies. This proposed AD would
to address fuselage frame web cracking, notify your appropriate principal inspector,
require repetitive detailed inspections of
which may lead to subsequent failure of the or lacking a principal inspector, the manager
surrounding structure, and ultimately result the forward and aft MLG center door
of the local flight standards district office/
in rapid decompression and loss of structural certificate holding district office. assembly attachments for loose, missing,
integrity of the airplane. (3) An AMOC that provides an acceptable damaged, or bottomed out attachment
level of safety may be used for any repair, bolts; any wear to the retention clip
(f) Compliance
modification, or alteration required by this assemblies as applicable; and applicable
Comply with this AD within the AD if it is approved by the Boeing on-condition actions. This proposed AD
compliance times specified, unless already Commercial Airplanes Organization would also provide an optional
done. Designation Authorization (ODA) that has terminating action for the repetitive
(g) Required Actions for Group 1 Airplanes been authorized by the Manager, Los Angeles
inspections. Since this is a rotable parts
ACO Branch, to make those findings. To be
For airplanes identified as Group 1 in approved, the repair method, modification issue, the applicability of this AD has
Boeing Alert Requirements Bulletin 737– deviation, or alteration deviation must meet been expanded beyond the airplanes
53A1371 RB, dated January 19, 2018: Within listed in the related service bulletin to
the certification basis of the airplane, and the
120 days after the effective date of this AD, approval must specifically refer to this AD. include all airplanes on which the MLG
inspect the fuselage frame webs at station center door assemblies may be installed.
(STA) 616 and STA 639 between stringers S– (k) Related Information
We are proposing this AD to address the
7 and S–8 and do all applicable repairs, using (1) For more information about this AD,
a method approved in accordance with the unsafe condition on these products.
contact David Truong, Aerospace Engineer,
procedures specified in paragraph (j) of this Airframe Section, FAA, Los Angeles ACO DATES: We must receive comments on
AD. Branch, 3960 Paramount Boulevard, this proposed AD by June 25, 2018.
(h) Required Actions for Groups 2 Through Lakewood, CA 90712–4137; phone: 562–627– ADDRESSES: You may send comments,
4 Airplanes 5224; fax: 562–627–5210; email: using the procedures found in 14 CFR
david.truong@faa.gov. 11.43 and 11.45, by any of the following
Except for airplanes identified in (2) For service information identified in
paragraph (g) of this AD and except as methods:
this AD, contact Boeing Commercial
required by paragraph (i) of this AD: At the Airplanes, Attention: Contractual & Data
• Federal eRulemaking Portal: Go to
applicable times specified in the Services (C&DS), 2600 Westminster Blvd., http://www.regulations.gov. Follow the
‘‘Compliance’’ paragraph of Boeing Alert MC 110–SK57, Seal Beach, CA 90740–5600; instructions for submitting comments.
Requirements Bulletin 737–53A1371 RB, telephone 562–797–1717; internet https:// • Fax: 202–493–2251.
dated January 19, 2018, do all applicable www.myboeingfleet.com. You may view this • Mail: U.S. Department of
actions identified in, and in accordance with, referenced service information at the FAA, Transportation, Docket Operations, M–
the Accomplishment Instructions of Boeing Transport Standards Branch, 2200 South 30, West Building Ground Floor, Room
Alert Requirements Bulletin 737–53A1371 216th St., Des Moines, WA. For information
RB, dated January 19, 2018. W12–140, 1200 New Jersey Avenue SE,
on the availability of this material at the Washington, DC 20590.
Note 1 to paragraph (h) of this AD: FAA, call 206–231–3195.
Guidance for accomplishing the actions • Hand Delivery: Deliver to Mail
required by this AD can be found in Boeing Issued in Des Moines, Washington, on address above between 9 a.m. and 5
Alert Service Bulletin 737–53A1371, dated April 27, 2018. p.m., Monday through Friday, except
January 19, 2018, which is referred to in Michael Kaszycki, Federal holidays.
Boeing Alert Requirements Bulletin 737– Acting Director, System Oversight Division, For service information identified in
53A1371 RB, dated January 19, 2018. Aircraft Certification Service. this NPRM, contact Boeing Commercial
[FR Doc. 2018–09977 Filed 5–10–18; 8:45 am] Airplanes, Attention: Contractual & Data
(i) Exceptions to Service Information
Specifications BILLING CODE 4910–13–P Services (C&DS), 2600 Westminster
Blvd., MC 110–SK57, Seal Beach, CA
(1) For purposes of determining
90740–5600; telephone 562–797–1717;
compliance with the requirements of this AD:
DEPARTMENT OF TRANSPORTATION internet https://
Where Boeing Alert Requirements Service
Bulletin 737–53A1371 RB, dated January 19, www.myboeingfleet.com. You may view
Federal Aviation Administration this referenced service information at
2018, uses the phrase ‘‘the original issue date
of Requirements Bulletin 737–53A1371 RB,’’ the FAA, Transport Standards Branch,
this AD requires using ‘‘the effective date of 14 CFR Part 39 2200 South 216th St., Des Moines, WA.
this AD.’’ [Docket No. FAA–2018–0393; Product For information on the availability of
(2) Where Boeing Alert Requirements Identifier 2018–NM–010–AD] this material at the FAA, call 206–231–
Bulletin 737–53A1371 RB, dated January 19, 3195. It is also available on the internet
2018, specifies contacting Boeing, this AD RIN 2120–AA64
at http://www.regulations.gov by
requires repair using a method approved in
accordance with the procedures specified in Airworthiness Directives; The Boeing searching for and locating Docket No.
paragraph (j) of this AD. Company Airplanes FAA–2018–0393.
(j) Alternative Methods of Compliance Examining the AD Docket
AGENCY: Federal Aviation
(AMOCs) Administration (FAA), DOT. You may examine the AD docket on
(1) The Manager, Los Angeles ACO Branch, the internet at http://
sradovich on DSK3GMQ082PROD with PROPOSALS

ACTION: Notice of proposed rulemaking
FAA, has the authority to approve AMOCs www.regulations.gov by searching for
for this AD, if requested using the procedures
(NPRM).
and locating Docket No. FAA–2018–
found in 14 CFR 39.19. In accordance with
SUMMARY: We propose to adopt a new 0393; or in person at the Docket
14 CFR 39.19, send your request to your
principal inspector or local Flight Standards airworthiness directive (AD) for all The Management Facility between 9 a.m.
District Office, as appropriate. If sending Boeing Company Model 737–600, –700, and 5 p.m., Monday through Friday,
information directly to the manager of the –700C, –800, –900, and –900ER series except Federal holidays. The AD docket
certification office, send it to the attention of airplanes. This proposed AD was contains this NPRM, the regulatory
the person identified in paragraph (k)(1) of prompted by reports of loose, worn, or evaluation, any comments received, and

VerDate Sep<11>2014 17:56 May 10, 2018 Jkt 244001 PO 00000 Frm 00008 Fmt 4702 Sfmt 4702 E:\FR\FM\11MYP1.SGM 11MYP1

Document Created: 2018-11-02 09:50:15
Document Modified: 2018-11-02 09:50:15

Category		Regulatory Information
Collection		Federal Register
sudoc Class		AE 2.7: GS 4.107: AE 2.106:
Publisher		Office of the Federal Register, National Archives and Records Administration
Section		Proposed Rules
Action		Notice of proposed rulemaking (NPRM).
Dates		We must receive comments on this proposed AD by June 25, 2018.
Contact		David Truong, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5224; fax: 562-627- 5210; email: [email protected]
FR Citation		83 FR 21946
RIN Number		2120-AA64
CFR Associated		Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

83 FR 21946 - Airworthiness Directives; The Boeing Company Airplanes

DEPARTMENT OF TRANSPORTATIONFederal Aviation Administration

Federal Register Volume 83, Issue 92 (May 11, 2018)

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration