Airworthiness directives › 2012-14-02
AD 2012-14-02 Airworthiness Directives; The Boeing Company Airplanes
Models named: 767-200, -300 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 767-200 and -300 series airplanes, certificated in any category; as identified in Boeing Alert Service Bulletin 767-78A0089, Revision 5, dated June 9, 2009.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) This paragraph restates the requirements of paragraph (a) of AD 2002-19-11, Amendment 39-12891 (67 FR 61478, October 1, 2002), with revised service information. Within 24 months after November 5, 2002 (the effective date of AD 2002-19-11, Amendment 39-12891 (67 FR 61478, October 1, 2002)), replace the existing deactivation pin, pin bushing in the aft cascade mounting ring, and pin insert on each thrust reverser half, with new, improved components, in accordance with Boeing Alert Service Bulletin 767-78A0089, Revision 1, dated May 30, 2002; or Boeing Alert Service Bulletin 767-78A0089, Revision 5, dated June 9, 2009. After the effective date of this AD, only Boeing Alert Service Bulletin 767-78A0089, Revision 5, dated June 9, 2009, may be used. (2) The new, improved insert flange and pin bushing does not physically preclude use of a deactivation pin having P/N 315T1604-2 or -5. However, use of deactivation pins having P/N 315T1604-2 or -5 may not prevent the thrust reversers from deploying in the event of a full powered deployment. Therefore, thrust reversers modified per AD 2002-19-11, Amendment 39-12891 (67 FR 61478, October 1, 2002), are required to be installed with the new, longer deactivation pins having P/N 315T1604-6, as specified in Boeing Alert Service Bulletin 767-78A0089, Revision 1, dated May 30, 2002; or Boeing Alert Service Bulletin 767-78A0089, Revision 5, dated June 9, 2009. After the effective date of this AD, only Boeing Alert Service Bulletin 767-78A0089, Revision 5, dated June 9, 2009, may be used to install the new, longer deactivation pins.
Unsafe condition
This AD was prompted by reports that certain airplanes require installation of a new bushing and deactivation pin with increased load carrying capability and all airplanes powered by Pratt & Whitney JT9D series engines require installation of a new bracket for stowing the deactivation pin. We are issuing this AD to prevent failure of the thrust reverser deactivation pins, which could fail to prevent a deployment of a deactivated thrust reverser in flight and consequent reduced controllability of the airplane.
Affected ADs
This AD supersedes AD 2002-19-11, Amendment 39-12891 (67 FR 61478, October 1, 2002).
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