(4910-13-P)

14 CFR Part 39

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

D704

[Docket No. FAA-10IO-++++; Directorate Identifier 2010-NM-037-AD; Amendmen

39-**;AD**) )'bIO-I{P-IlRlN 2120-AA64

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ACTION: Final rule; request for comments.

AD requires replacing the insulation blanket fasteners of the lower aft cowl of the thrust

reverser. This AD also requires inspecting the oil scavenge tube on the turbine rear fram

of the engine for damage, and replacement ifneeessary. This AD results from a

777-200LR and -30GER series airplanes equipped with GE90-100 series engines. This

SUMMARY: We are adopting a new airworthiness directive (AD) for certain Model

Airworthiness Directives; The Boeing comPjY Model 777-200LR and -300ER Series R"VT'NG~"MI "If)

Airplanes Equipped with GE90-100 Series EngireS Nl: 0

AGENCY: Federal Aviation Administration (FAA), DOT.

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determination of insufficient clearance and subsequent interference between the oil

scavenge lube on the turbine rear frame of the etgine and the bolt on the aft cowl w~''''''''oo,

insul.ation blanket of the ~ust reverser. We are iSSUingthis ~D to pre~ent damage an~ :~:~AI.S.SI(;

possIble puncture of the 011 scavenge tube and consequent 011 loss, which could result III .

an in-flight shutdown of the engine.

DATES: This AD is effective [INSERT DATE 15 DAYS AITER DATE OF

PUBLICATION IN THE FEDERAL REGISTER].

The Director of the Federal Register approved the incorporation by reference of

certain publications listed in the AD as of [INSERT DATE 15 DAYS AFTER DATE 0

PUBLICATION IN THE FEDERAL REGISTER].
[4910-13-PJ

DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration

14 CFR Part 39

39-**; AD **)

RlN 2120-AA64

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IDocket No. FAA-2010-++++; Directorate Identifier 2010-NM-037-AD; Amendmen D. LL.\I

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Ainvorthincss Directives; The Boeing Company Model 777~200LR and -30GER Series INlTlA S S ,1",_10

Airplanes Equipped with GE90-1 00 Series Engi~eS I)ATE A .~

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AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

SUMMARY: We are adopting a new ainvorthiness directive (AD) for certain Model

777-200LR and -30GER series airplanes equipped with GE90-JOO series engines. This

AD requires replacing the insulation blanket fasteners of the lower aft cowl of the thrust

reverser. This AD also requires inspecting Ole oil scavenge tube on the turbine rcaT fram

oftbe engine for damage) and replacement ifnefessary. This AD results from a

determination of insufficient clearance and subsequent interference between the oil

scavenge tube on the turbine rear frame of the ergine and the bolt on the aft cowl

insulation blanket of the thrust reverser. We are liS~Uingthis AD to prevent damage and

possible puncture of the oil scavenge tube and consequent oil loss, which could result in

an in-flight shutdown of the engine.

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

PUBLICATION IN THE FEDERAL REGISTER).

The Director of the Federal Register approved the incorporation by reference of

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certain publications listed in the AD as of [INSERT DATE 15 DA YS AFTER DATE 0

PUBLICATION IN THE FEDERAL REGISTER].

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[4910-13-PI

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration 'OOCUR"'Er~CES

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14 CFR Part 39 lh,XO-ilo.lliJc

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[Docket No. FAA-10lO-++++; Directorate Identifier 2010-NM-037-ADj Amendmen D. Lt5,\ :}

39-"'"*; AD **] on &-1510

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Ainvorthiness Directives; The Boeing Comparl'y Modc1777-200LR and -30GER Series ltllTIA SIS't,.\\o>_\o

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Airplanes Equipped with GE90-100 Series Engines ATE Ii "\-

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AGENCY: Federal Aviation Administration (FAA), DOT. OOTINGsYl<8OL

SUMMARY: We are adopting a new ain.vorthiness directive (AD) for certain Model DA

777-200LR and -30GER series airplanes equiPpeld with GE90-1 00 series engines. This o"tin~ Symbol

AD requires replacing the insulation blanket fastlners of the lower aft cowl of the thrust :nALS/SI"

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" 1J.!e reverser. This AD also requires inspecting the oil scavenge tube on the turbine rear fram

of the engine for damage, and replacement if necessary. This AD results from a

determination of insufficient clearance and subsequent interference between the oil

ACTION: Final rule; request for comments.

scavenge tube on the turbine rear frame of the engine and the bolt on the aft cowl

insulation blanket of the thrust reverser. We are i~SUingthis AD to prevent damage and

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possible puncture of the oil scavenge tube and consequent oil loss, which could result in

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an in-flight shutdown of the engine.

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

PUBLICATION IN THE FEDERAL REGISTEJ].

The Director of the Federal Register apprlved the incorporation by reference of

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certain publications listed in the AD as of [INSERT DATE IS DA YS AfTER DATE 0

PUBLICATION IN THE fEDERAL REGISTER].

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