Airworthiness directives › 2019-08-05
AD 2019-08-05 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 airplanes, certificated in any category, as identified in paragraphs (c)(1) and (c)(2) of this AD. (1) Model 787-8 airplanes identified in Boeing Alert Service Bulletin B787-81205-SB290032-00, Issue 002, dated February 1, 2019. (2) Model 787-9 airplanes identified in Boeing Alert Service Bulletin B787-81205-SB290033-00, Issue 001, dated November 17, 2017.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) At the applicable time specified in paragraph 5., “Compliance,” of Boeing Alert Service Bulletin B787-81205-SB290032-00, Issue 002, dated February 1, 2019 (for Model 787-8 airplanes); or Boeing Alert Service Bulletin B787-81205-SB290033-00, Issue 001, dated November 17, 2017 (for Model 787-9 airplanes); except as specified in paragraph (h)(1) of this AD: Do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin B787-81205-SB290032-00, Issue 002, dated February 1, 2019; or Boeing Alert Service Bulletin B787-81205-SB290033-00, Issue 001, dated November 17, 2017, as applicable; except as specified in paragraphs (h)(2) through (h)(8) of this AD. (2) For Model 787-9 airplanes: Prior to or concurrently with accomplishing the actions required by paragraph (g)(1) of this AD, do all applicable actions (including software installation) identified as RC in and, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin B787-81205-SB270039-00, Issue 002, dated March 8, 2018; except where Boeing Alert Service Bulletin B787-81205-SB270039-00, Issue 002, dated March 8, 2018, specifies installing required software, this AD requires installing that software or later-approved software versions. Later-approved software versions are only those Boeing software versions that are approved as a replacement for the applicable software, and are approved as part of the type design by the FAA or the Boeing Commercial Airplanes Organization Designation Authorization (ODA) after issuance of Boeing Alert Service Bulletin B787-81205-SB270039-00, Issue 002, dated March 8, 2018.
Unsafe condition
This AD was prompted by a determination that certain areas in the tire/wheel threat zones could be susceptible to damage, which could result in loss of braking on one main landing gear (MLG) truck, loss of nose wheel steering, and loss of directional control on the ground when below rudder effectiveness speed. We are issuing this AD to address damage from a MLG thrown tire tread or tire burst event, which could result in loss of directional control on the ground and consequent runway excursion.
Affected ADs
None.
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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