Airworthiness directives › 2018-05-06
AD 2018-05-06 Airworthiness Directives; The Boeing Company Airplanes
Models named: 787-8, 787-9. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 787-8 and 787-9 airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin B787-81205-SB500008-00, Issue 001, dated December 7, 2016.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2016-09-12, with revised service information and an added reference to terminating action: At the applicable time specified in paragraph (g)(1) or (g)(2) of this AD, do a general visual inspection of the bilge barriers located in the forward and aft cargo compartments for disengaged decompression panels, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin B787-81205-SB500009-00, Issue 001, dated November 16, 2015; or Issue 003, dated December 7, 2016. Repeat the inspection thereafter at the applicable times specified in paragraph 5. “Compliance,” of Boeing Alert Service Bulletin B787-81205-SB500009-00, Issue 001, dated November 16, 2015; or Issue 003, dated December 7, 2016; until the terminating modification required by paragraph (i) of this AD is done. As of the effective date of this AD, only Boeing Alert Service Bulletin B787-81205-SB500009-00, Issue 003, dated December 7, 2016, may be used. (1) For Group 1 airplanes identified in Boeing Alert Service Bulletin B787-81205-SB500009-00, Issue 001, dated November 16, 2015; or Issue 003, dated December 7, 2016: Inspect within 30 days after May 23, 2016 (the effective date of AD 2016-09-12). (2) For Group 2 airplanes identified in Boeing Alert Service Bulletin B787-81205-SB500009-00, Issue 001, dated November 16, 2015; or Issue 003, dated December 7, 2016: Inspect within 180 flight cycles or within 90 days after May 23, 2016 (the effective date of AD 2016-09-12), whichever occurs later.
Unsafe condition
This AD was prompted by a terminating modification developed to address the unsafe condition. We are issuing this AD to prevent decompression panels from disengaging from the bilge barriers located in the forward and aft cargo compartments. In the event of a cargo compartment fire, this condition would provide a path for smoke and Halon to enter the flight compartment and passenger cabin, which could result in the inability to contain and extinguish a fire.
Affected ADs
This AD replaces AD 2016-09-12, Amendment 39-18510 (81 FR 27300, May 6, 2016) (“AD 2016-09-12”).
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1