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14CFR Part 39 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration



# D704 [Docket No. FAA-10IO-++++; Directorate Identifier 2010-NM-037-AD; Amendmen 39-**;AD**) 

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ACTION: Final rule; request for comments.

AD requires replacing the insulation blanket fasteners ofthe lower aft cowl ofthe thrust reverser. This AD also requires inspecting the oil scavenge tube on the turbine rear fram ofthe engine for damage, andreplacement ifneeessary. This AD results from a 777-200LR and 

### -30GER series airplanes equipped with GE90-100 series engines. This SUMMARY: We are adopting anew 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.

AT~ determination ofinsufficient clearance and subsequent interference between the oil scavenge lube on the turbine rear frame ofthe etgine and the bolt on the aft cowl w~''''''''oo, insul.ation blanket ofthe ~ust reverser. We are iSSUingthis ~D to pre~ent damage an~ 

### :~:~AI.S.SI(; possIble puncture ofthe 011 scavenge tube and consequent 011 loss, which could result III . anin-flight shutdown ofthe engine. DATES: This AD iseffective [INSERT DATE 15DAYS AITER DATE OF PUBLICATION IN THE FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation byreference of certain publications listed inthe AD as of [INSERT DATE 15DAYS AFTER DATE 0 PUBLICATION INTHE FEDERAL REGISTER].[4910-13-PJ

DEPARTMENT OF TRANSPORT AnON Federal Aviation Administration 14CFR Part 39 39-**; AD **) RlN 2120-AA64 

### Aum-J141t:tD l'lmALSlS1G IDocket No. FAA-2010-++++; Directorate Identifier 2010-NM-037-AD; Amendmen 

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fj;)11)·1 ,nil<- 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 .~ 0(2'8 7 AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule; request for comments. SUMMARY: We are adopting anew 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 ofthe lower aft cowl ofthe 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 ofinsufficient clearance and subsequent interference between the oil scavenge tube on the turbine rear frame ofthe ergine and the bolt on the aft cowl insulation blanket ofthe thrust reverser. We areliS~Uing this AD toprevent damage and possible puncture ofthe oil scavenge tube and consequent oil loss, which could result in an in-flight shutdown ofthe engine. DATES: This AD iseffective [INSERT DATE 15 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER). The Director ofthe Federal Register approved the incorporation by reference of J certain publications listed inthe AD as of [INSERT DATE 15DAYS AFTER DATE 0 PUBLICATION INTHE FEDERAL REGISTER]. O\mNG SYMBOL



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DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 'OOCUR"'Er~CES 01I11NG sYMBOL 14CFR Part 39 

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### ~ft:/PJ/ii.- Ainvorthiness Directives; The Boeing 

### Comparl'y Modc1777-200LR and -30GER Series ltllTIA SIS't,.\\o>_\o 

# I .~' Airplanes Equipped with GE90-100 Series Engines ATE 

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## 42'8 AGENCY: Federal Aviation Administration (FAA), DOT. OOTINGsYl<8OL
SUMMARY: We are adopting anew 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 ofthe lower aft cowl ofthe thrust :nALS/SI"

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# "1J.!e reverser. This AD also requires inspecting the oil scavenge tube on the turbine rear fram ofthe engine for damage, and replacement ifnecessary. This AD results from a determination ofinsufficient clearance and subsequent interference between the oil ACTION: Final rule; request for comments.

scavenge tube on the turbine rear frame ofthe engine and the bolt on the aftcowl insulation blanket ofthe thrust reverser. We are i~SUingthis AD toprevent damage and I· possible puncture ofthe oil scavenge tube and consequent oil loss, which could result in "ITIALSlSIG an in-flight shutdown ofthe engine. DATES: This AD is effective [INSERT DATE 15DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTEJ]. The Director ofthe Federal Register apprlved the incorporation by reference of , "JIlALS/SlG certain publications listed inthe AD as of [INSERT DATE IS DAYS AfTER DATE 0 PUBLICATION IN THE fEDERAL REGISTER].

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