[4910-13-Pj

DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration

14 CFR Part 39 .G0%- 00 1/ ,~!.~:!11

rDocket No. FAA-10IO-++++j ~irectorate Identifier 2010-NM-142-ADj Amendmen ..,.-1.0,.' 'I

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Airworthiness Directivesj The Boemg Company Model 767-200, -300, and -300F IG /~ 0-01'

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Series Airplanes Powered by General Electric or Pratt & Whitney Engines

AGENCY: Federal Aviation Administration (FAA), Department of Transportation

(DOT).

ACTION: Final rule; request for comments.

SUMMARY: The FAA is superseding an existing airworthiness directive (AD) that

applies to certain Model 767-200, -300, and -300F series airplanes. The existing AD

currently requires repetitive inspections to dete

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\ discrepancies of ti,e eight aft-most

fastener holes in the horizontal tangs of the midspar fitting of the strut, and corrective

actions if necessary. The existing AD also requrres repetitive inspections for cracks of

closeout angle that covers the two aft-most fastLers in the lower tang of the midspar

fitting, and related investigative and corrective ~ctions if necessary, The existing AD al

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provides an optional terminating action for the repetitive inspections, This new AD IrtiM .....loBs

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reduces the compliance times for doing the ins~ections, This AD results from reports 0' I\)'L.'\-,~fr ,i;: •... ""

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cracks in the midspar fitting tangs, We are issUl'ngthis AD to detect and correct fatigue ? 7 tv

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cracking in the primary strut structure and reduced structural integrity of the strut, whic -

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could result in separation of the strut and engine

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DATES: This AD hecomes effective [INSER~ DATE 15 DA YS AFTER DATE OF ~'1.!21'?

PUBLICATION IN THE FEDERAL REGISTER]. - /I'f

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[4910-13-PJ

DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration

14 CFR Part 39

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[Docket No. FAA-10lO-++++; Directorate Identifier 2010-NM-142-AD; Amendmen J: LoCJt"Joh I

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·39-**; AD **) 7 7 '0

ACTION: Final rule; request for comments.

RIN 2120-AA64 I

Airworthiness Directives; The Boeing CompJy Model 767~200, -300, and -300F

Series Airplanes Powered by General Electric or Pratt & Whitney Engines

AGENCY: Federal Aviation Administration (FAA), Department of Transportation

(DOT).

I

SUMMARY: The FAA is superseding an existIng airworthiness directive (AD) that

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applies to certain Model 767-200, -300, and -300F series airplanes. The existing AD

currently requires repetitive inspections to detect discrepancies of the eight aft-most

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fastener holes in the horizontal tangs of the midspar fitting of the strut. and corrective

actions if necessary. The existing AD also reqUi~eSrepetitive inspections for cracks oft

closeout angle that covers the two aft-most fastdners in the lower tang of the midspar

fining, and related investigative and corrective Jctions if necessary. The existing AD al

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provides an optional terminating acrion for the repetitive inspections. This new AD

~1T1Al..S/SIG

reduces the compliance times for doing the inspections. This AD results from reports 0

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cracks in the midspar fitting tangs. We are issuing this AD to detect and correct fatigue

cracking in the primary strut structure and redu1ed structural integrity ofthc strut, whic

could result in separation of the strut and engine. '

DATES: This AD becomes effective [INSERT DATE 15 DAYS AFTER DATE OF

PUBLICA nON IN THE FEDERAL REGISTER).

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