82 FR 40511 - Airworthiness Directives; The Boeing Company Airplanes
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 82, Issue 164 (August 25, 2017)
Federal Aviation Administration
Federal Register Volume 82, Issue 164 (August 25, 2017)
| Page Range | 40511-40514 | |
| FR Document | 2017-17543 |
[Federal Register Volume 82, Number 164 (Friday, August 25, 2017)] [Proposed Rules] [Pages 40511-40514] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2017-17543] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2017-0779; Product Identifier 2017-NM-040-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 certain The Boeing Company Model 787-8 airplanes. This proposed AD was prompted by reports of degraded bond-line performance of co-bonded upper wing stringer-to-skin joints. This proposed AD would require repetitive inspections of certain upper wing stringers for any disbond and corrective actions, if necessary; and a terminating preventative modification of installing disbond arrestment (DBA) fasteners. This proposed AD would also require revising the inspection or maintenance program to incorporate an airworthiness limitation. We are proposing this AD to address the unsafe condition on these products. DATES: We must receive comments on this proposed AD by October 10, 2017. 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, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425-227-1221. It is also available on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2017-0779. 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-2017- 0779; or in person at the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this proposed AD, the regulatory evaluation, any comments received, and other information. The street address for the Docket Office (phone: 800-647-5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. FOR FURTHER INFORMATION CONTACT: Allen Rauschendorfer, Aerospace Engineer, Airframe Branch, FAA, Seattle ACO Branch, 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425-917-6487; fax: 425-917-6590; email: [email protected]. 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-2017-0779; Product Identifier 2017-NM-040-AD'' at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this proposed AD. We will consider all comments received by the closing date and may amend this proposed AD 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 reports of degraded bond-line performance of co- bonded upper wing stringer-to-skin joints. The co-bonded upper wing stringer-to-skin joints were determined to have degraded bond-line performance due to the exposure of the bond surface with the use of BMS 8-308 peel ply to cure times that exceeded 4 hours at a temperature of 345 degrees Fahrenheit (F) plus or minus 10 F. The upper wing stringer- to-skin joint disbonding can reduce the structural capability to where it cannot sustain limit load, which could adversely affect the structural integrity of the airplane. Related Service Information Under 1 CFR Part 51 We have reviewed Boeing Alert Service Bulletin B787-81205-SB570030- 00, Issue 001, dated March 17, 2017 (``ASB B787-81205-SB570030-00, Issue 001''). This service information describes procedures for inspection of certain upper wing stringers for any disbond and repairs; and for a preventative modification which consists of, depending on airplane configuration, applying copper foil to the upper wing at certain stringer and rib bay locations, installing DBA fasteners on the upper flanges of the upper wing stringers at the stringer and rib bay locations, applying cap seals to the DBA fasteners, and applying edge sealant to the stringers at the DBA fastener installation locations. We have also reviewed Airworthiness Limitation (AWL) 57-AWL-13, ``Inspection Requirements for In-Tank Fasteners and Edge Seal near Disbond Arrestment (DBA) Fastener Installations of Lightning Zone 2,'' of Boeing 787 Special Compliance Items/Airworthiness Limitations, D011Z009-03-04, dated February 2017. This service information describes tasks for inspecting in-tank fasteners and edge seals near DBA fastener installations of lightning zone 2. [[Page 40512]] 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 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 accomplishing the actions specified in the service information described previously, except as discussed under ``Differences Between this Proposed AD and the Service Information.'' For information on the procedures and compliance times in ASB B787-81205-SB570030-00, Issue 001, see this service information at http://www.regulations.gov by searching for and locating Docket No. FAA-2017-0779. This AD requires revisions to certain operator maintenance documents to include new actions (e.g., inspections). Compliance with these actions is required by 14 CFR 91.403(c). For airplanes that have been previously modified, altered, or repaired in the areas addressed by this proposed AD, the operator may not be able to accomplish the actions described in the revisions. In this situation, to comply with 14 CFR 91.403(c), the operator must request approval for an alternative method of compliance according to paragraph (l) of this proposed AD. The request should include a description of changes to the required actions that will ensure the continued damage tolerance of the affected structure. The phrase ``corrective actions'' is used in this proposed AD. Corrective actions correct or address any condition found. Corrective actions in an AD could include, for example, repairs. Differences Between This Proposed AD and the Service Information ASB B787-81205-SB570030-00, Issue 001, specifies to contact the manufacturer for certain instructions, but this proposed AD would require using repair methods, modification deviations, and alteration deviations in one of the following ways: In accordance with a method that we approve; or Using data that meet the certification basis of the airplane, and that have been approved by the Boeing Commercial Airplanes Organization Designation Authorization (ODA) whom we have authorized to make those findings. Explanation of Applicability In the applicability of this proposed AD, we refer to the airplanes identified in ASB B787-81205-SB570030-00, Issue 001. In addition, we have included line numbers 10, 13, 15, 16, 17, 18, and 19 in the applicability of this proposed AD because those line numbers are included in the applicability for AWL 57-AWL-13. Those line numbers are not listed in ASB B787-81205-SB570030-00, Issue 001, and the actions specified in ASB B787-81205-SB570030-00, Issue 001 are not required for those line numbers because the actions in the service information were completed during production. Costs of Compliance We estimate that this proposed AD affects 24 airplanes of U.S. registry. We estimate the following costs to comply with this proposed AD: Estimated Costs ---------------------------------------------------------------------------------------------------------------- Cost on U.S. Action Labor cost Parts cost Cost per product operators ---------------------------------------------------------------------------------------------------------------- Inspection..................... 49 work-hours x $85 per $0 $4,165 per $99,960 per hour = $4,165 per inspection cycle. inspection cycle. inspection cycle. Modification................... Up to 352 work-hours x 1,902 Up to $31,822..... Up to $763,728. $85 per hour = $29,920. Maintenance or Inspection 1 work-hour x $85 per 0 $85............... $2,040. Program Revision. hour = $85. ---------------------------------------------------------------------------------------------------------------- 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. [[Page 40513]] 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-2017-0779; Product Identifier 2017-NM-040-AD. (a) Comments Due Date We must receive comments by October 10, 2017. (b) Affected ADs None. (c) Applicability This AD applies to The Boeing Company Model 787-8 airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin B787-81205-SB570030-00, Issue 001, dated March 17, 2017 (``ASB B787-81205-SB570030-00, Issue 001''), and line numbers 10, 13, 15, 16, 17, 18, and 19. (d) Subject Air Transport Association (ATA) of America Code 57; Wings. (e) Unsafe Condition This AD was prompted by reports of degraded bond-line performance of co-bonded upper wing stringer-to-skin joints. We are issuing this AD to prevent upper wing stringer-to-skin joint disbonding, which can reduce the structural integrity of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Inspections and Corrective Actions For airplanes identified in ASB B787-81205-SB570030-00, Issue 001: Except as specified in paragraph (k)(1) of this AD, at the applicable time specified in paragraph 5., ``Compliance,'' of ASB B787-81205-SB570030-00, Issue 001: Do an ultrasonic inspection for any disbond on the left side and right side upper wing stringers; and do all applicable corrective actions; in accordance with the Accomplishment Instructions of ASB B787-81205-SB570030-00, Issue 001, except as specified in paragraph (k)(2) of this AD. Do all applicable corrective actions before further flight. Repeat the inspection of the upper wing stringers thereafter at the applicable intervals specified in paragraph 5., ``Compliance,'' of ASB B787- 81205-SB570030-00, Issue 001 until the actions required by paragraph (j) of this AD are done. (h) Maintenance or Inspection Program Revision (1) For airplanes identified in ASB B787-81205-SB570030-00, Issue 001: Prior to or concurrently with accomplishing the actions required by paragraph (g) of this AD, revise the inspection or maintenance program, as applicable, to incorporate Airworthiness Limitation (AWL) 57-AWL-13. ``Inspection Requirements for In-Tank Fasteners and Edge Seal near Disbond Arrestment (DBA) Fastener Installations of Lightning Zone 2,'' of Boeing 787 Special Compliance Items/Airworthiness Limitations, D011Z009-03-04, dated February 2017. The initial compliance time for accomplishing the tasks specified in AWL 57-AWL-13 is within 24,000 flight cycles or 12 years, whichever occurs first, after accomplishing the actions specified in ASB B787-81205-SB570030-00, Issue 001. (2) For airplanes having line numbers 10, 13, and 15 through 19 inclusive: Within 60 days after the effective date of this AD, revise the inspection or maintenance program, as applicable, to incorporate AWL 57-AWL-13, ``Inspection Requirements for In-Tank Fasteners and Edge Seal near Disbond Arrestment (DBA) Fastener Installations of Lightning Zone 2,'' of Boeing 787 Special Compliance Items/Airworthiness Limitations, D011Z009-03-04, dated February 2017. The initial compliance time for accomplishing the tasks specified in AWL 57-AWL-13 is prior to the accumulation of 24,000 total flight cycles or within 12 years after the date of issuance of the original airworthiness certificate or date of issuance of the original export certificate of airworthiness, whichever occurs first. (i) No Alternative Actions or Intervals After the action required by paragraph (h) of this AD has been done, no alternative actions (e.g., inspections) or intervals may be used unless the actions or intervals are approved as an AMOC in accordance with the procedures specified in paragraph (l) of this AD. (j) Inspection and Modification For airplanes identified in ASB B787-81205-SB570030-00, Issue 001, that have not done ``PART 3: PREVENTIVE MODIFICATION'' of the Accomplishment Instructions of ASB B787-81205-SB570030-00, Issue 001, at all of the unrepaired areas of the upper wing stringers: At the applicable time specified in paragraph 5., ``Compliance,'' of ASB B787-81205-SB570030-00, Issue 001, do the actions specified in paragraphs (j)(1) and (j)(2) of this AD, in accordance with the Accomplishment Instructions of ASB B787-81205-SB570030-00, Issue 001, except as specified in paragraph (k)(2) of this AD. Doing the actions required by this paragraph terminates the repetitive inspections required by paragraph (g) of this AD. (1) Do an ultrasonic inspection for any disbond on the left side and right side upper wing stringers, and do all applicable corrective actions. Do all applicable corrective actions before further flight. (2) Do the preventative modification in accordance with ``PART 3: PREVENTIVE MODIFICATION'' of the Accomplishment Instructions of ASB B787-81205-SB570030-00, Issue 001. (k) Exceptions to Service Information (1) Where paragraph 5., ``Compliance,'' of ASB B787-81205- SB570030-00, Issue 001, specifies a compliance time ``after the Issue 001 date of this service bulletin,'' this AD requires compliance within the specified compliance time after the effective date of this AD. (2) Although ASB B787-81205-SB570030-00, Issue 001, specifies to contact Boeing for repair instructions, and specifies that action as ``RC'' (Required for Compliance), this AD requires repair before further flight using a method approved in accordance with the procedures specified in paragraph (l) of this AD. (l) 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 (m)(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. (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) Except as required by paragraph (k)(2) of this AD: For service information that contains steps that are labeled as Required for Compliance (RC), the provisions of paragraphs (l)(4)(i) and (l)(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 [[Page 40514]] 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. (m) Related Information (1) For more information about this AD, contact Allen Rauschendorfer, Aerospace Engineer, Airframe Branch, FAA, Seattle ACO Branch, 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425- 917-6487; fax: 425-917-6590; 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, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425-227-1221. Issued in Renton, Washington, on August 9, 2017. Dionne Palermo, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2017-17543 Filed 8-24-17; 8:45 am] BILLING CODE 4910-13-P
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including substeps and identified figures, can You may send comments,
ADDRESSES: NM–040–AD’’ at the beginning of your
still be done as specified, and the airplane using the procedures found in 14 CFR comments. We specifically invite
can be put back in an airworthy condition. 11.43 and 11.45, by any of the following comments on the overall regulatory,
(k) Related Information methods: economic, environmental, and energy
(1) For more information about this AD, • Federal eRulemaking Portal: Go to aspects of this proposed AD. We will
contact Muoi Vuong, Aerospace Engineer, http://www.regulations.gov. Follow the consider all comments received by the
Airframe Section, FAA, Los Angeles ACO instructions for submitting comments. closing date and may amend this
Branch, 3960 Paramount Boulevard, • Fax: 202–493–2251. proposed AD because of those
Lakewood, CA 90712–4137; phone: 562–627– • Mail: U.S. Department of comments.
5205; fax: 562–627–5210; email: Transportation, Docket Operations, M– We will post all comments we
Muoi.Vuong@faa.gov. receive, without change, to http://
(2) For service information identified in 30, West Building Ground Floor, Room
this AD, contact Boeing Commercial W12–140, 1200 New Jersey Avenue SE., www.regulations.gov, including any
Airplanes, Attention: Contractual & Data Washington, DC 20590. personal information you provide. We
Services (C&DS), 2600 Westminster Blvd., • Hand Delivery: Deliver to Mail will also post a report summarizing each
MC 110–SK57, Seal Beach, CA 90740–5600; address above between 9 a.m. and 5 substantive verbal contact we receive
telephone 562–797–1717; Internet https:// p.m., Monday through Friday, except about this proposed AD.
www.myboeingfleet.com. You may view this Federal holidays.
referenced service information at the FAA, Discussion
Transport Standards Branch, 1601 Lind
For service information identified in
this NPRM, contact Boeing Commercial We have received reports of degraded
Avenue SW., Renton, WA. For information bond-line performance of co-bonded
on the availability of this material at the Airplanes, Attention: Contractual & Data
Services (C&DS), 2600 Westminster upper wing stringer-to-skin joints. The
FAA, call 425–227–1221.
Blvd., MC 110–SK57, Seal Beach, CA co-bonded upper wing stringer-to-skin
Issued in Renton, Washington, on August joints were determined to have
10, 2017. 90740–5600; telephone 562–797–1717;
degraded bond-line performance due to
Dionne Palermo, Internet https://
the exposure of the bond surface with
Acting Director, System Oversight Division, www.myboeingfleet.com. You may view
the use of BMS 8–308 peel ply to cure
Aircraft Certification Service. this referenced service information at
times that exceeded 4 hours at a
the FAA, Transport Standards Branch,
[FR Doc. 2017–17538 Filed 8–24–17; 8:45 am] temperature of 345 degrees Fahrenheit
1601 Lind Avenue SW., Renton, WA.
BILLING CODE 4910–13–P (F) plus or minus 10 F. The upper wing
For information on the availability of
stringer-to-skin joint disbonding can
this material at the FAA, call 425–227–
reduce the structural capability to where
DEPARTMENT OF TRANSPORTATION 1221. It is also available on the Internet it cannot sustain limit load, which
at http://www.regulations.gov by
could adversely affect the structural
Federal Aviation Administration searching for and locating Docket No.
integrity of the airplane.
FAA–2017–0779.
14 CFR Part 39 Related Service Information Under 1
Examining the AD Docket
CFR Part 51
[Docket No. FAA–2017–0779; Product
You may examine the AD docket on We have reviewed Boeing Alert
Identifier 2017–NM–040–AD]
the Internet at http:// Service Bulletin B787–81205–
RIN 2120–AA64 www.regulations.gov by searching for SB570030–00, Issue 001, dated March
and locating Docket No. FAA–2017– 17, 2017 (‘‘ASB B787–81205–
Airworthiness Directives; The Boeing 0779; or in person at the Docket
Company Airplanes SB570030–00, Issue 001’’). This service
Management Facility between 9 a.m. information describes procedures for
AGENCY: Federal Aviation and 5 p.m., Monday through Friday, inspection of certain upper wing
Administration (FAA), DOT. except Federal holidays. The AD docket stringers for any disbond and repairs;
ACTION: Notice of proposed rulemaking contains this proposed AD, the and for a preventative modification
(NPRM). regulatory evaluation, any comments which consists of, depending on
received, and other information. The airplane configuration, applying copper
SUMMARY: We propose to adopt a new street address for the Docket Office foil to the upper wing at certain stringer
airworthiness directive (AD) for certain (phone: 800–647–5527) is in the and rib bay locations, installing DBA
The Boeing Company Model 787–8 ADDRESSES section. Comments will be
fasteners on the upper flanges of the
airplanes. This proposed AD was available in the AD docket shortly after upper wing stringers at the stringer and
prompted by reports of degraded bond- receipt. rib bay locations, applying cap seals to
line performance of co-bonded upper FOR FURTHER INFORMATION CONTACT: the DBA fasteners, and applying edge
wing stringer-to-skin joints. This Allen Rauschendorfer, Aerospace sealant to the stringers at the DBA
proposed AD would require repetitive Engineer, Airframe Branch, FAA, Seattle fastener installation locations.
inspections of certain upper wing ACO Branch, 1601 Lind Avenue SW., We have also reviewed Airworthiness
stringers for any disbond and corrective Renton, WA 98057–3356; phone: 425– Limitation (AWL) 57–AWL–13,
actions, if necessary; and a terminating 917–6487; fax: 425–917–6590; email: ‘‘Inspection Requirements for In-Tank
preventative modification of installing allen.rauschendorfer@faa.gov. Fasteners and Edge Seal near Disbond
disbond arrestment (DBA) fasteners. Arrestment (DBA) Fastener Installations
pmangrum on DSK3GDR082PROD with PROPOSALS
SUPPLEMENTARY INFORMATION:
This proposed AD would also require of Lightning Zone 2,’’ of Boeing 787
revising the inspection or maintenance Comments Invited Special Compliance Items/
program to incorporate an airworthiness We invite you to send any written Airworthiness Limitations, D011Z009–
limitation. We are proposing this AD to relevant data, views, or arguments about 03–04, dated February 2017. This
address the unsafe condition on these this proposal. Send your comments to service information describes tasks for
products. an address listed under the ADDRESSES inspecting in-tank fasteners and edge
DATES: We must receive comments on section. Include ‘‘Docket No. FAA– seals near DBA fastener installations of
this proposed AD by October 10, 2017. 2017–0779; Product Identifier 2017– lightning zone 2.
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List of Subjects in 14 CFR Part 39 Repeat the inspection of the upper wing wing stringers, and do all applicable
stringers thereafter at the applicable intervals corrective actions. Do all applicable
Air transportation, Aircraft, Aviation specified in paragraph 5., ‘‘Compliance,’’ of corrective actions before further flight.
safety, Incorporation by reference, ASB B787–81205–SB570030–00, Issue 001 (2) Do the preventative modification in
Safety. until the actions required by paragraph (j) of accordance with ‘‘PART 3: PREVENTIVE
this AD are done. MODIFICATION’’ of the Accomplishment
The Proposed Amendment
Instructions of ASB B787–81205–SB570030–
(h) Maintenance or Inspection Program
Accordingly, under the authority Revision
00, Issue 001.
delegated to me by the Administrator, (k) Exceptions to Service Information
the FAA proposes to amend 14 CFR part (1) For airplanes identified in ASB B787–
81205–SB570030–00, Issue 001: Prior to or (1) Where paragraph 5., ‘‘Compliance,’’ of
39 as follows: concurrently with accomplishing the actions ASB B787–81205–SB570030–00, Issue 001,
required by paragraph (g) of this AD, revise specifies a compliance time ‘‘after the Issue
PART 39—AIRWORTHINESS the inspection or maintenance program, as 001 date of this service bulletin,’’ this AD
DIRECTIVES applicable, to incorporate Airworthiness requires compliance within the specified
Limitation (AWL) 57–AWL–13. ‘‘Inspection compliance time after the effective date of
■ 1. The authority citation for part 39 Requirements for In-Tank Fasteners and Edge this AD.
continues to read as follows: Seal near Disbond Arrestment (DBA) (2) Although ASB B787–81205–SB570030–
Authority: 49 U.S.C. 106(g), 40113, 44701. Fastener Installations of Lightning Zone 2,’’ 00, Issue 001, specifies to contact Boeing for
of Boeing 787 Special Compliance Items/ repair instructions, and specifies that action
§ 39.13 [Amended] Airworthiness Limitations, D011Z009–03–04, as ‘‘RC’’ (Required for Compliance), this AD
■ 2. The FAA amends § 39.13 by adding dated February 2017. The initial compliance requires repair before further flight using a
the following new airworthiness time for accomplishing the tasks specified in method approved in accordance with the
AWL 57–AWL–13 is within 24,000 flight procedures specified in paragraph (l) of this
directive (AD): cycles or 12 years, whichever occurs first, AD.
The Boeing Company: Docket No. FAA– after accomplishing the actions specified in
2017–0779; Product Identifier 2017– ASB B787–81205–SB570030–00, Issue 001. (l) Alternative Methods of Compliance
NM–040–AD. (2) For airplanes having line numbers 10, (AMOCs)
13, and 15 through 19 inclusive: Within 60 (1) The Manager, Seattle ACO Branch,
(a) Comments Due Date days after the effective date of this AD, revise FAA, has the authority to approve AMOCs
We must receive comments by October 10, the inspection or maintenance program, as for this AD, if requested using the procedures
2017. applicable, to incorporate AWL 57–AWL–13, found in 14 CFR 39.19. In accordance with
‘‘Inspection Requirements for In-Tank 14 CFR 39.19, send your request to your
(b) Affected ADs
Fasteners and Edge Seal near Disbond principal inspector or local Flight Standards
None. Arrestment (DBA) Fastener Installations of District Office, as appropriate. If sending
Lightning Zone 2,’’ of Boeing 787 Special information directly to the manager of the
(c) Applicability
Compliance Items/Airworthiness certification office, send it to the attention of
This AD applies to The Boeing Company Limitations, D011Z009–03–04, dated the person identified in paragraph (m)(1) of
Model 787–8 airplanes, certificated in any February 2017. The initial compliance time this AD. Information may be emailed to: 9-
category, as identified in Boeing Alert for accomplishing the tasks specified in AWL ANM-Seattle-ACO-AMOC-Requests@faa.gov.
Service Bulletin B787–81205–SB570030–00, 57–AWL–13 is prior to the accumulation of (2) Before using any approved AMOC,
Issue 001, dated March 17, 2017 (‘‘ASB 24,000 total flight cycles or within 12 years notify your appropriate principal inspector,
B787–81205–SB570030–00, Issue 001’’), and after the date of issuance of the original or lacking a principal inspector, the manager
line numbers 10, 13, 15, 16, 17, 18, and 19. airworthiness certificate or date of issuance of the local flight standards district office/
of the original export certificate of certificate holding district office.
(d) Subject
airworthiness, whichever occurs first. (3) An AMOC that provides an acceptable
Air Transport Association (ATA) of
America Code 57; Wings. (i) No Alternative Actions or Intervals level of safety may be used for any repair,
After the action required by paragraph (h) modification, or alteration required by this
(e) Unsafe Condition AD if it is approved by the Boeing
of this AD has been done, no alternative
This AD was prompted by reports of actions (e.g., inspections) or intervals may be Commercial Airplanes Organization
degraded bond-line performance of co- used unless the actions or intervals are Designation Authorization (ODA) that has
bonded upper wing stringer-to-skin joints. approved as an AMOC in accordance with been authorized by the Manager, Seattle ACO
We are issuing this AD to prevent upper wing the procedures specified in paragraph (l) of Branch, to make those findings. To be
stringer-to-skin joint disbonding, which can this AD. approved, the repair method, modification
reduce the structural integrity of the airplane. deviation, or alteration deviation must meet
(j) Inspection and Modification the certification basis of the airplane, and the
(f) Compliance For airplanes identified in ASB B787– approval must specifically refer to this AD.
Comply with this AD within the 81205–SB570030–00, Issue 001, that have not (4) Except as required by paragraph (k)(2)
compliance times specified, unless already done ‘‘PART 3: PREVENTIVE of this AD: For service information that
done. MODIFICATION’’ of the Accomplishment contains steps that are labeled as Required
Instructions of ASB B787–81205–SB570030– for Compliance (RC), the provisions of
(g) Inspections and Corrective Actions paragraphs (l)(4)(i) and (l)(4)(ii) of this AD
00, Issue 001, at all of the unrepaired areas
For airplanes identified in ASB B787– of the upper wing stringers: At the applicable apply.
81205–SB570030–00, Issue 001: Except as time specified in paragraph 5., (i) The steps labeled as RC, including
specified in paragraph (k)(1) of this AD, at ‘‘Compliance,’’ of ASB B787–81205– substeps under an RC step and any figures
the applicable time specified in paragraph 5., SB570030–00, Issue 001, do the actions identified in an RC step, must be done to
‘‘Compliance,’’ of ASB B787–81205– comply with the AD. If a step or substep is
pmangrum on DSK3GDR082PROD with PROPOSALS
specified in paragraphs (j)(1) and (j)(2) of this
SB570030–00, Issue 001: Do an ultrasonic AD, in accordance with the Accomplishment labeled ‘‘RC Exempt,’’ then the RC
inspection for any disbond on the left side Instructions of ASB B787–81205–SB570030– requirement is removed from that step or
and right side upper wing stringers; and do 00, Issue 001, except as specified in substep. An AMOC is required for any
all applicable corrective actions; in paragraph (k)(2) of this AD. Doing the actions deviations to RC steps, including substeps
accordance with the Accomplishment required by this paragraph terminates the and identified figures.
Instructions of ASB B787–81205–SB570030– repetitive inspections required by paragraph (ii) Steps not labeled as RC may be
00, Issue 001, except as specified in (g) of this AD. deviated from using accepted methods in
paragraph (k)(2) of this AD. Do all applicable (1) Do an ultrasonic inspection for any accordance with the operator’s maintenance
corrective actions before further flight. disbond on the left side and right side upper or inspection program without obtaining
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![40514 Federal Register / Vol. 82, No. 164 / Friday, August 25, 2017 / Proposed Rules
approval of an AMOC, provided the RC steps, 11.43 and 11.45, by any of the following We will post all comments we
including substeps and identified figures, can methods: receive, without change, to http://
still be done as specified, and the airplane • Federal eRulemaking Portal: Go to www.regulations.gov, including any
can be put back in an airworthy condition.
http://www.regulations.gov. Follow the personal information you provide. We
(m) Related Information instructions for submitting comments. will also post a report summarizing each
(1) For more information about this AD, • Fax: 202–493–2251. substantive verbal contact we receive
contact Allen Rauschendorfer, Aerospace • Mail: U.S. Department of about this NPRM.
Engineer, Airframe Branch, FAA, Seattle Transportation, Docket Operations, M–
ACO Branch, 1601 Lind Avenue SW., 30, West Building Ground Floor, Room Discussion
Renton, WA 98057–3356; phone: 425–917– W12–140, 1200 New Jersey Avenue SE.,
6487; fax: 425–917–6590; email: We were notified of the discovery of
allen.rauschendorfer@faa.gov.
Washington, DC 20590. multiple cracked outer diffuser cases.
(2) For service information identified in • Hand Delivery: Deliver to Mail This proposed AD requires initial and
this AD, contact Boeing Commercial address above between 9 a.m. and 5 repetitive inspections to detect cracks in
Airplanes, Attention: Contractual & Data p.m., Monday through Friday, except the outer diffuser case and removal from
Services (C&DS), 2600 Westminster Blvd., Federal holidays. service of cases that fail inspection. This
MC 110–SK57, Seal Beach, CA 90740–5600; For service information identified in condition, if not corrected, could result
telephone 562–797–1717; Internet https:// this NPRM, contact Pratt & Whitney
www.myboeingfleet.com. You may view this
in failure of the outer diffuser case,
Division, 400 Main St., East Hartford, uncontained case release, damage to the
referenced service information at the FAA,
Transport Standards Branch, 1601 Lind
CT 06118; phone: 800–565–0140; fax: engine, and damage to the airplane.
Avenue SW., Renton, WA. For information 860–565–5442. You may view this
on the availability of this material at the service information at the FAA, Engine Related Service Information Under 1
FAA, call 425–227–1221. and Propeller Standards Branch, Policy CFR Part 51
Issued in Renton, Washington, on August and Innovation Division, 1200 District We reviewed PW Service Bulletin
9, 2017. Avenue, Burlington, MA. For (SB) No. PW4G–112–A72–347, dated
Dionne Palermo, information on the availability of this March, 31, 2017. This PW SB provides
Acting Director, System Oversight Division, material at the FAA, call 781–238–7125. guidance on performing outer diffuser
Aircraft Certification Service. Examining the AD Docket case fluorescent penetrant inspections
[FR Doc. 2017–17543 Filed 8–24–17; 8:45 am] (FPI). This service information is
You may examine the AD docket on
BILLING CODE 4910–13–P reasonably available because the
the Internet at http://
interested parties have access to it
www.regulations.gov by searching for
through their normal course of business
DEPARTMENT OF TRANSPORTATION and locating Docket No. FAA–2017–
or by the means identified in the
0719; or in person at the Docket
ADDRESSES section.
Federal Aviation Administration Management Facility between 9 a.m.
and 5 p.m., Monday through Friday, Other Related Service Information
14 CFR Part 39 except Federal holidays. The AD docket
contains this NPRM, the regulatory We reviewed PW4000 Series (112
[Docket No. FAA–2017–0719; Product
evaluation, any comments received, and Inch) Engine Cleaning, Inspection and
Identifier 2017–NE–22–AD] Repair (CIR) Manual, Part Number
other information. The street address for
RIN 2120–AA64 the Docket Office (phone: 800–647– 51A750, Revision Number 74, section
5527) is in the ADDRESSES section. 72–41–13, Inspection/Check-02, dated
Airworthiness Directives; Pratt & Comments will be available in the AD July 15, 2017. This manual section
Whitney Division docket shortly after receipt. provides guidance on performing the
high sensitivity FPI of the outer diffuser
AGENCY: Federal Aviation FOR FURTHER INFORMATION CONTACT: Jo-
case at piece-part exposure.
Administration (FAA), DOT. Ann Theriault, Aerospace Engineer,
ACTION: Notice of proposed rulemaking FAA, ECO Branch, Compliance and FAA’s Determination
(NPRM). Airworthiness Division,1200 District
Avenue, Burlington, MA 01803; phone: We are proposing this AD because we
SUMMARY: We propose to adopt a new 781–238–7105; fax: 781–238–7199; evaluated all the relevant information
airworthiness directive (AD) for all Pratt email: jo-ann.theriault@faa.gov. and determined the unsafe condition
& Whitney Division (PW) PW4074, described previously is likely to exist or
SUPPLEMENTARY INFORMATION:
PW4074D, PW4077, PW4077D, develop in other products of the same
PW4084D, PW4090, and PW4090–3 Comments Invited type design.
turbofan engines. This proposed AD was We invite you to send any written Proposed AD Requirements
prompted by the discovery of multiple relevant data, views, or arguments about
cracked outer diffuser cases. This this proposal. Send your comments to This proposed AD would require
proposed AD would require initial and an address listed under the ADDRESSES initial and repetitive inspections to
repetitive inspections to detect cracks in section. Include ‘‘Docket No. FAA– detect cracks in the outer diffuser case
the outer diffuser case and removal from 2017–0719; Directorate Identifier 2017– and removal from service of cases that
service of cases that fail inspection. We NE–22–AD’’ at the beginning of your fail inspection.
pmangrum on DSK3GDR082PROD with PROPOSALS
are proposing this AD to address the comments. We specifically invite
unsafe condition on these products. Costs of Compliance
comments on the overall regulatory,
DATES: We must receive comments on economic, environmental, and energy We estimate that this proposed AD
this proposed AD by September 25, aspects of this NPRM. We will consider affects 121 engines installed on
2017. all comments received by the closing airplanes of U.S. registry.
ADDRESSES: You may send comments, date and may amend this NPRM We estimate the following costs to
using the procedures found in 14 CFR because of those comments. comply with this proposed AD:
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Document Created: 2018-10-24 12:43:19
Document Modified: 2018-10-24 12:43:19
| 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 October 10, 2017. | |
| Contact | Allen Rauschendorfer, Aerospace Engineer, Airframe Branch, FAA, Seattle ACO Branch, 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425-917-6487; fax: 425-917-6590; email: [email protected] | |
| FR Citation | 82 FR 40511 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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