Airworthiness directives › 2014-15-21
AD 2014-15-21 Airworthiness Directives; The Boeing Company Airplanes
Models named: 777-200, -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 777-200 and -300 series airplanes, certificated in any category, equipped with Rolls-Royce engines.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (f) of AD 2006-26-06, Amendment 39-14864 (71 FR 77586, December 27, 2006), with new service information. For Group 1, Configuration 1, airplanes, as identified in Boeing Special Attention Service Bulletin 777-78-0064, Revision 2, dated June 14, 2012: Do the detailed inspections to detect cracks in the outer V-blade of the thrust reversers. Do the inspections in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 777-78-0064, Revision 1, dated November 30, 2006; or Boeing Special Attention Service Bulletin 777-78-0064, Revision 2, dated June 14, 2012. Do the inspections at the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Special Attention Service Bulletin 777-78-0064, Revision 1, dated November 30, 2006; except where Boeing Special Attention Service Bulletin 777-78-0064, Revision 1, dated November 30, 2006, specifies an initial compliance time after the date on that service bulletin, this AD requires compliance within the specified time after January 11, 2007 (the effective date of AD 2006-26-06). Do applicable corrective actions before further flight, in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 777-78-0064, Revision 1, dated November 30, 2006; or Boeing Special Attention Service Bulletin 777-78-0064, Revision 2, dated June 14, 2012; or paragraph (m) of this AD. As of the effective date of this AD, use only Boeing Special Attention Service Bulletin 777-78-0064, Revision 2, dated June 14, 2012, to accomplish the actions required by this paragraph.
Unsafe condition
This AD was prompted by reports of cracked outer V-blade fittings at the hinge beam end of Rolls-Royce engine thrust reversers, on airplanes on which the optional terminating action was done. We are issuing this AD to prevent separation of a thrust reverser from the airplane during normal reverse thrust or during a refused takeoff, which could result in unexpected thrust asymmetry and a possible runway excursion.
Affected ADs
This AD supersedes AD 2006-26-06, Amendment 39-14864 (71 FR 77586, December 27, 2006).
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