Airworthiness directives › 2013-23-16
AD 2013-23-16 Airworthiness Directives; The Boeing Company Airplanes
Models named: 757-200, -200PF, -200CB, -300 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all The Boeing Company Model 757-200, -200PF, -200CB, and -300 series airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as provided by paragraph (h) of this AD, at the applicable time specified in paragraph 1.E., “Compliance,” of Boeing Special Attention Service Bulletin 757-57-0071, dated September 12, 2012: Do a high frequency eddy current (HFEC) inspection for cracking in the forward support fitting assemblies of the inboard track of the left and right inboard flaps, and do all applicable corrective actions, in accordance with paragraph 3.B.2. of the Accomplishment Instructions of Boeing Special Attention Service Bulletin 757-57-0071, dated September 12, 2012. Do all applicable corrective actions before further flight. Thereafter, repeat the inspections at intervals not to exceed 6,000 flight cycles, except as required by paragraphs (g)(1) and (g)(2) of this AD. (1) For Group 1 airplanes, as identified in Boeing Special Attention Service Bulletin 757-57-0071, dated September 12, 2012, on which any forward support fitting assembly is replaced: Do the next inspection before 15,000 flight cycles have accumulated on that assembly. (2) For Group 2 airplanes, as identified in Boeing Special Attention Service Bulletin 757-57-0071, dated September 12, 2012, on which any forward support fitting assembly is replaced: Do the next inspection before 18,000 flight cycles have accumulated on that assembly.
Unsafe condition
This AD was prompted by a report of a broken forward support fitting at the inboard track of the inboard flap. We are issuing this AD to detect and correct cracking of the forward support fitting assembly, which could result in loss of inboard flap control and subsequent loss of airplane control.
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