Airworthiness Directives; The Boeing Company Airplanes, 1295-1297 [2020-00059]

Download as PDF Federal Register / Vol. 85, No. 7 / Friday, January 10, 2020 / Proposed Rules DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2019–1070; Product Identifier 2019–NM–178–AD] RIN 2120–AA64 Airworthiness Directives; The Boeing Company Airplanes Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 787–8 and 787–9 airplanes. This proposed AD was prompted by reports that the cabin air compressor (CAC) outlet check valve failed due to fatigue of the aluminum flappers, and exposed the Y-duct to temperatures above its design limit. This proposed AD would require installing new inboard and outboard CAC outlet check valves on the left-side and right-side cabin air conditioning and temperature control system (CACTCS) packs. The FAA is proposing this AD to address the unsafe condition on these products. DATES: The FAA must receive comments on this proposed AD by February 24, 2020. SUMMARY: 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 https://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 service information at the FAA, Transport Standards Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this jbell on DSKJLSW7X2PROD with PROPOSALS ADDRESSES: VerDate Sep<11>2014 16:03 Jan 09, 2020 Jkt 250001 material at the FAA, call 206–231–3195. It is also available on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA–2019–1070. Examining the AD Docket You may examine the AD docket on the internet at https:// www.regulations.gov by searching for and locating Docket No. FAA–2019– 1070; 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 is listed above. Comments will be available in the AD docket shortly after receipt. FOR FURTHER INFORMATION CONTACT: Allie Buss, Aerospace Engineer, Cabin Safety and Environmental Systems Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206–231–3564; email: Allison.Buss@faa.gov. SUPPLEMENTARY INFORMATION: Comments Invited The FAA invites 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–2019–1070; Product Identifier 2019–NM–178–AD’’ at the beginning of your comments. The FAA specifically invites comments on the overall regulatory, economic, environmental, and energy aspects of this NPRM. The FAA will consider all comments received by the closing date and may amend this NPRM because of those comments. The FAA will post all comments received, without change, to https:// www.regulations.gov, including any personal information you provide. The FAA will also post a report summarizing each substantive verbal contact received about this proposed AD. Discussion The FAA has received reports that the CAC outlet check valve failed due to fatigue of the aluminum flappers, and exposed the Y-duct to temperatures above its design limit. Operators have reported failures of the CAC outlet check valve caused by fatigue of the aluminum flappers due to increasing open/close cycles, induced by CAC surge. This can cause reverse flow through the broken check valve from the PO 00000 Frm 00011 Fmt 4702 Sfmt 4702 1295 operational CAC. The reverse flow is recirculated through the operational CAC inlet ducting and reheating CAC air, leading to exposure of the Y-duct to temperatures above its design limit. This condition, if not addressed, could expose the flight deck and passenger cabin to smoke and fumes, and lead to reduced crew performance or produce passenger discomfort. Off gassed compounds could cause respiratory distress and could cause serious injury for an individual with a compromised respiratory system. The new check valve has an improved design with a stronger Corrosion Resistant Steel (CRES) housing and flappers, and an increased stopper contact area for better distribution of the flapper load. Related Service Information Under 1 CFR Part 51 The FAA reviewed Boeing Service Bulletin B787–81205–SB210108–00, Issue 002, dated October 15, 2019. The service information describes procedures for installing new inboard and outboard CAC outlet check valves on the left-side and right-side CACTCS packs. 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. FAA’s Determination The FAA is proposing this AD because the agency 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 as ‘‘RC’’ (required for compliance) in the Accomplishment Instructions of Boeing Service Bulletin B787–81205–SB210108–00, Issue 002, dated October 15, 2019, described previously. For information on the procedures and compliance times, see this service information at https:// www.regulations.gov by searching for and locating Docket No. FAA–2019– 1070. Costs of Compliance The FAA estimates that this proposed AD affects 90 airplanes of U.S. registry. The FAA estimates the following costs to comply with this proposed AD: E:\FR\FM\10JAP1.SGM 10JAP1 1296 Federal Register / Vol. 85, No. 7 / Friday, January 10, 2020 / Proposed Rules ESTIMATED COSTS FOR REQUIRED ACTIONS Action Replace CAC outlet check valves. Labor cost 3 work-hours × $85 per hour = $255 per check valve. According to the manufacturer, some or all of the costs of this proposed AD may be covered under warranty by UTC Aerospace Systems, thereby reducing the cost impact on affected individuals. The FAA does not control warranty coverage for affected individuals. As a result, the FAA has included all known costs in the 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. The FAA is 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 and associated appliances to the Director of the System Oversight Division. jbell on DSKJLSW7X2PROD with PROPOSALS Regulatory Findings The FAA has 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. VerDate Sep<11>2014 Parts cost 16:03 Jan 09, 2020 Jkt 250001 Cost per product $0 $255 per check valve ... For the reasons discussed above, I certify that the proposed regulation: (1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866, (2) Will not affect intrastate aviation in Alaska, and (3) 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 1. The authority citation for part 39 continues to read as follows: ■ Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): ■ The Boeing Company: Docket No. FAA– 2019–1070; Product Identifier 2019– NM–178–AD. (a) Comments Due Date The FAA must receive comments on this AD action by February 24, 2020. (b) Affected ADs None. (c) Applicability This AD applies to The Boeing Company Model 787–8 and 787–9 airplanes, certificated in any category, as identified in Boeing Service Bulletin B787–81205– SB210108–00, Issue 002, dated October 15, 2019. (d) Subject Air Transport Association (ATA) of America Code 21, Air conditioning. (e) Unsafe Condition This AD was prompted by reports that the cabin air compressor (CAC) outlet check valve failed due to fatigue of the aluminum flappers, and exposed the Y-duct to temperatures above its design limit. The FAA is issuing this AD to address this condition, PO 00000 Frm 00012 Fmt 4702 Sfmt 4702 Cost on U.S. operators $22,950 per check valve. which could expose the flight deck and passenger cabin to smoke and fumes, and lead to reduced crew performance or produce passenger discomfort. Off gassed compounds could cause respiratory distress and could cause serious injury for an individual with a compromised respiratory system. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions Except as specified in paragraph (h) of this AD: At the applicable times specified in paragraph 5., ‘‘Compliance,’’ of Boeing Service Bulletin B787–81205–SB210108–00, Issue 002, dated October 15, 2019, do all applicable actions identified as ‘‘RC’’ (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Service Bulletin B787– 81205–SB210108–00, Issue 002, dated October 15, 2019. (h) Exceptions to Service Information Specifications Where Boeing Service Bulletin B787– 81205–SB210108–00, Issue 002, dated October 15, 2019, uses the phrase ‘‘the Issue 002 date of this service bulletin,’’ this AD requires using ‘‘the effective date of this AD.’’ (i) Parts Installation Prohibition As of the effective date of this AD, no person may install a CAC outlet check valve, with a part number listed in paragraph 1.B, ‘‘Spares Affected’’ of Boeing Service Bulletin B787–81205–SB210108–00, Issue 002, dated October 15, 2019, on any airplane. (j) Credit for Previous Actions This paragraph provides credit for the actions specified in paragraph (g) of this AD, if those actions were performed before the effective date of this AD using Boeing Service Bulletin B787–81205–SB210108–00, Issue 001, dated May 25, 2018. (k) 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 (l)(1) of this AD. Information may be emailed to: 9ANM-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. E:\FR\FM\10JAP1.SGM 10JAP1 Federal Register / Vol. 85, No. 7 / Friday, January 10, 2020 / Proposed Rules (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 Company Organization Designation Authorization (ODA) that has been authorized by the Manager, Seattle ACO Branch, FAA, 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 (k)(4)(i) and (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. (l) Related Information (1) For more information about this AD, contact Allie Buss, Aerospace Engineer, Cabin Safety and Environmental Systems Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206–231–3564; email: Allison.Buss@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 on December 31, 2019. John P. Piccola, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2020–00059 Filed 1–9–20; 8:45 am] jbell on DSKJLSW7X2PROD with PROPOSALS BILLING CODE 4910–13–P VerDate Sep<11>2014 16:03 Jan 09, 2020 Jkt 250001 ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 282 [EPA–R10–UST–2019–0363; FRL–10003– 27–Region 10] Idaho: Final Approval of State Underground Storage Tank Program Revisions, Codification, and Incorporation by Reference Environmental Protection Agency (EPA). ACTION: Proposed rule. AGENCY: Pursuant to the Resource Conservation and Recovery Act (RCRA or Act), the Environmental Protection Agency (EPA) is proposing to approve revisions to the State of Idaho’s Underground Storage Tank (UST) program submitted by the State. This action is based on EPA’s determination that the State’s revisions satisfy all requirements for UST program approval. This action also proposes to codify Idaho’s State program as revised by Idaho and approved by the EPA and to incorporate by reference the State regulations that we have determined meet the requirements for approval. The State’s federally-authorized and codified UST program, as revised pursuant to this action, will remain subject to the EPA’s inspection and enforcement authorities under sections 9005 and 9006 of RCRA Subtitle I and other applicable statutory and regulatory provisions. SUMMARY: Send written comments by February 10, 2020. ADDRESSES: Submit your comments by one of the following methods: 1. Federal eRulemaking Portal: https://www.regulations.gov. Follow the online instructions for submitting comments. 2. Email: wilder.scott@epa.gov. 3. Mail: Scott Wilder, Enforcement and Compliance Assurance Division (ECAD 20–C04) EPA Region 10, 1200 Sixth Avenue, Suite 155, Seattle, Washington 98101. 4. Hand Delivery or Courier: Deliver your comments to Scott Wilder, Enforcement and Compliance Assurance Division (ECAD 20–C04), EPA Region 10, 1200 Sixth Avenue, Suite 155, Seattle, Washington 98101. Instructions: Direct your comments to Docket ID No. EPA–R10–UST–2019– 0363. The EPA’s policy is that all comments received will be included in the public docket without change and may be available online at https:// www.regulations.gov, including any personal information provided, unless DATES: PO 00000 Frm 00013 Fmt 4702 Sfmt 9990 1297 the comment includes information claimed to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Do not submit information that you consider to be CBI or otherwise protected through https:// www.regulations.gov, or email. The federal https://www.regulations.gov website is an ‘‘anonymous access’’ system, which means the EPA will not know your identity or contact information unless you provide it in the body of your comment. If you send an email comment directly to the EPA without going through https:// www.regulations.gov, then your email address will be automatically captured and included as part of the comment that is placed in the public docket and made available on the internet. If you submit an electronic comment, then the EPA recommends that you include your name and other contact information in the body of your comment and with any disk or CD–ROM you submit. If the EPA cannot read your comment due to technical difficulties and cannot contact you for clarification, then the EPA may not be able to consider your comment. Electronic files should avoid the use of special characters, any form of encryption, and be free of any defects or viruses. You can view and copy the documents that form the basis for this action and associated publicly available materials from 8:30 a.m. to 4:00 p.m. Monday through Friday at the following location: EPA Region 10, 1200 Sixth Avenue, Seattle, Washington 98101, phone number (206) 553–6693. Interested persons wanting to examine these documents should make an appointment with the office at least 2 days in advance. FOR FURTHER INFORMATION CONTACT: Scott Wilder, (206) 553–6693, Region 10, Enforcement and Compliance Assurance Agreement, EPA Region 10, 1200 Sixth Avenue, Seattle, Washington, 98101, email address: wilder.scott@epa.gov. SUPPLEMENTARY INFORMATION: For additional information, see the direct final rule published in the ‘‘Rules and Regulations’’ section of this Federal Register. Authority:This rule is issued under the authority of Sections 2002(a), 9004, and 7004(b) of the Solid Waste Disposal Act, as amended, 42 U.S.C. 6912, 6991c, 6991d, and 6991e. Dated: November 27, 2019. Chris Hladick, Regional Administrator, EPA Region 10. [FR Doc. 2019–28391 Filed 1–9–20; 8:45 am] BILLING CODE 6560–50–P E:\FR\FM\10JAP1.SGM 10JAP1

Agencies

[Federal Register Volume 85, Number 7 (Friday, January 10, 2020)]
[Proposed Rules]
[Pages 1295-1297]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2020-00059]



[[Page 1295]]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2019-1070; Product Identifier 2019-NM-178-AD]
RIN 2120-AA64


Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD) 
for certain The Boeing Company Model 787-8 and 787-9 airplanes. This 
proposed AD was prompted by reports that the cabin air compressor (CAC) 
outlet check valve failed due to fatigue of the aluminum flappers, and 
exposed the Y-duct to temperatures above its design limit. This 
proposed AD would require installing new inboard and outboard CAC 
outlet check valves on the left-side and right-side cabin air 
conditioning and temperature control system (CACTCS) packs. The FAA is 
proposing this AD to address the unsafe condition on these products.

DATES: The FAA must receive comments on this proposed AD by February 
24, 2020.

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 https://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 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 https://www.regulations.gov by searching 
for and locating Docket No. FAA-2019-1070.

Examining the AD Docket

    You may examine the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2019-
1070; 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 is listed above. 
Comments will be available in the AD docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Allie Buss, Aerospace Engineer, Cabin 
Safety and Environmental Systems Section, FAA, Seattle ACO Branch, 2200 
South 216th St., Des Moines, WA 98198; phone and fax: 206-231-3564; 
email: [email protected].

SUPPLEMENTARY INFORMATION: 

Comments Invited

    The FAA invites 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-2019-1070; 
Product Identifier 2019-NM-178-AD'' at the beginning of your comments. 
The FAA specifically invites comments on the overall regulatory, 
economic, environmental, and energy aspects of this NPRM. The FAA will 
consider all comments received by the closing date and may amend this 
NPRM because of those comments.
    The FAA will post all comments received, without change, to https://www.regulations.gov, including any personal information you provide. 
The FAA will also post a report summarizing each substantive verbal 
contact received about this proposed AD.

Discussion

    The FAA has received reports that the CAC outlet check valve failed 
due to fatigue of the aluminum flappers, and exposed the Y-duct to 
temperatures above its design limit. Operators have reported failures 
of the CAC outlet check valve caused by fatigue of the aluminum 
flappers due to increasing open/close cycles, induced by CAC surge. 
This can cause reverse flow through the broken check valve from the 
operational CAC. The reverse flow is recirculated through the 
operational CAC inlet ducting and reheating CAC air, leading to 
exposure of the Y-duct to temperatures above its design limit. This 
condition, if not addressed, could expose the flight deck and passenger 
cabin to smoke and fumes, and lead to reduced crew performance or 
produce passenger discomfort. Off gassed compounds could cause 
respiratory distress and could cause serious injury for an individual 
with a compromised respiratory system. The new check valve has an 
improved design with a stronger Corrosion Resistant Steel (CRES) 
housing and flappers, and an increased stopper contact area for better 
distribution of the flapper load.

Related Service Information Under 1 CFR Part 51

    The FAA reviewed Boeing Service Bulletin B787-81205-SB210108-00, 
Issue 002, dated October 15, 2019. The service information describes 
procedures for installing new inboard and outboard CAC outlet check 
valves on the left-side and right-side CACTCS packs. 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.

FAA's Determination

    The FAA is proposing this AD because the agency 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 as ``RC'' (required for compliance) in the Accomplishment 
Instructions of Boeing Service Bulletin B787-81205-SB210108-00, Issue 
002, dated October 15, 2019, described previously.
    For information on the procedures and compliance times, see this 
service information at https://www.regulations.gov by searching for and 
locating Docket No. FAA-2019-1070.

Costs of Compliance

    The FAA estimates that this proposed AD affects 90 airplanes of 
U.S. registry. The FAA estimates the following costs to comply with 
this proposed AD:

[[Page 1296]]



                                      Estimated Costs for Required Actions
----------------------------------------------------------------------------------------------------------------
                                                                                                 Cost on U.S.
             Action                     Labor cost          Parts cost     Cost per product        operators
----------------------------------------------------------------------------------------------------------------
Replace CAC outlet check valves  3 work-hours x $85 per               $0  $255 per check      $22,950 per check
                                  hour = $255 per check                    valve.              valve.
                                  valve.
----------------------------------------------------------------------------------------------------------------

    According to the manufacturer, some or all of the costs of this 
proposed AD may be covered under warranty by UTC Aerospace Systems, 
thereby reducing the cost impact on affected individuals. The FAA does 
not control warranty coverage for affected individuals. As a result, 
the FAA has included all known costs in the 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.
    The FAA is 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 and associated appliances to the 
Director of the System Oversight Division.

Regulatory Findings

    The FAA has 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 that the proposed 
regulation:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Will not affect intrastate aviation in Alaska, and
    (3) 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-2019-1070; Product Identifier 
2019-NM-178-AD.

(a) Comments Due Date

    The FAA must receive comments on this AD action by February 24, 
2020.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to The Boeing Company Model 787-8 and 787-9 
airplanes, certificated in any category, as identified in Boeing 
Service Bulletin B787-81205-SB210108-00, Issue 002, dated October 
15, 2019.

(d) Subject

    Air Transport Association (ATA) of America Code 21, Air 
conditioning.

(e) Unsafe Condition

    This AD was prompted by reports that the cabin air compressor 
(CAC) outlet check valve failed due to fatigue of the aluminum 
flappers, and exposed the Y-duct to temperatures above its design 
limit. The FAA is issuing this AD to address this condition, which 
could expose the flight deck and passenger cabin to smoke and fumes, 
and lead to reduced crew performance or produce passenger 
discomfort. Off gassed compounds could cause respiratory distress 
and could cause serious injury for an individual with a compromised 
respiratory system.

(f) Compliance

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

(g) Required Actions

    Except as specified in paragraph (h) of this AD: At the 
applicable times specified in paragraph 5., ``Compliance,'' of 
Boeing Service Bulletin B787-81205-SB210108-00, Issue 002, dated 
October 15, 2019, do all applicable actions identified as ``RC'' 
(required for compliance) in, and in accordance with, the 
Accomplishment Instructions of Boeing Service Bulletin B787-81205-
SB210108-00, Issue 002, dated October 15, 2019.

(h) Exceptions to Service Information Specifications

    Where Boeing Service Bulletin B787-81205-SB210108-00, Issue 002, 
dated October 15, 2019, uses the phrase ``the Issue 002 date of this 
service bulletin,'' this AD requires using ``the effective date of 
this AD.''

(i) Parts Installation Prohibition

    As of the effective date of this AD, no person may install a CAC 
outlet check valve, with a part number listed in paragraph 1.B, 
``Spares Affected'' of Boeing Service Bulletin B787-81205-SB210108-
00, Issue 002, dated October 15, 2019, on any airplane.

(j) Credit for Previous Actions

    This paragraph provides credit for the actions specified in 
paragraph (g) of this AD, if those actions were performed before the 
effective date of this AD using Boeing Service Bulletin B787-81205-
SB210108-00, Issue 001, dated May 25, 2018.

(k) 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 (l)(1) of this AD. Information may be 
emailed to: [email protected].
    (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.

[[Page 1297]]

    (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 Company Organization Designation 
Authorization (ODA) that has been authorized by the Manager, Seattle 
ACO Branch, FAA, 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 
(k)(4)(i) and (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.

(l) Related Information

    (1) For more information about this AD, contact Allie Buss, 
Aerospace Engineer, Cabin Safety and Environmental Systems Section, 
FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; 
phone and fax: 206-231-3564; email: [email protected].
    (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 on December 31, 2019.
John P. Piccola,
Acting Director, System Oversight Division, Aircraft Certification 
Service.
[FR Doc. 2020-00059 Filed 1-9-20; 8:45 am]
BILLING CODE 4910-13-P

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