f4910-13-PJ DEPARTMENT OF TRANSPORTATION Federal Aviation Administration _O',1;:U~~""CE~ QunNG $V"~QL



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the FEDERAL REGISTER]. RIN 2I20-AA64

The Director oftbe Federal Register approyed the lncorporation by reference ofa ceJ1ainpublication listed inthe AD as of (msert da~e35 days after date ofpubhcatlOn m DATES: This AD is effecti,'c [insert date 35 days after date ofpublication inthe

ADDRESSES: For service information identified inthis AD, contact Boeing FEDERAL REGISTER 

## J. 14CFR Part 39

Ainyorthiness Directives; Boeing Model 777-200 Series Airplanes AGENCY: Federal Aviation Administration

# (Pl')' DOT. ACTION: Final rule. SUi\1J\tIARY: We are adopting anew airworthiness directive (AD) for certain Model 777-200 series alrplanes. This AD requires installi~g anew i.nsulation blanket on the latch beam firewall ofeach thrust reverser (TiR)

# hLf. This AD results from an in-fli£hl shutdown due to an engine fire indication; an under-COWlengine fire was extiuguish:d after landi.ng. The cause ofthe fire was uncontainci failar~-ofthe starter in the engine core compartment; the fire progressed into the latch beam cavity and was fueled by oil fcomadamaged integrated drive generator oillinel We are i,wing thi, AD to prevent a fire from entering the cowl or strut area, which could weaken T/R parts and result in reduced structural integrity oftbe T/R, possible se~aration ofT/R parts during night, and consequent damage to the airplane and injury to p IOPIC or damage to property on the IDocket No. FAA-2009-0430; Directorate Identifier 2008-NM-148-AD; Amendment 

# 39~0,?1~**1

;W\D-~(P-OI14910-13-1'1 DEPARTMENT OFTRANSPORTATION Fcdual Aviation Administration 14CFR Part 39 IDocket No. FA..

A-2009-0430; Directorate Identifier 2008-NM-148-AD; Amendment 39-**: AD **1 RIN 2120-A.-\64 Airworthiness Directives; Boeing Model 777-20 

## i) Series Airplanes AGENCY: Federal Aviation Administration (FAA). DOT. ACTION: Final rule. SUMMARY: Wearc adopling anew airworthiness (hrcclivc (AD) forcertain Model 777-200 series airplanes. This AD requires installing anew insulation blanket on the latch beam firewal1 of each lhrust revel"ser (TiR) 

# hL-, This AD results from :111 ill-flight slwtdown due to an eng;ne lire tnd;cation: an nnd1r-co'd enginc fire was e>t;ngu;shed aner landing. The cause ofthe fire was unC:Ollwined failure of lhc starter in the engine core compartment; the fire progressed into the latch benm cavity and was fueled by oil from adamaged integrated dri\'C generalor oillil1(:. We are issuing Ihis AD 10prevent a Q"Cu"(I"r~ ou"N'(;S'''''~l

the FEDERAL REGISTER]. rire from entering the cowl or strut area, which could weaken T/R pans and resoHin ~--- "d"ced """et"ral ;ntc£,·;ty ofthoTfR. rossible serf"n";n,, 0

## nm par1s dm;ng n,gln. ""d """''','~'' consequent damage [0 the :urplanc Jnd injury 10P10plc ordamage 10property on 111<.: ."",.,'"s,,, ground. 

### h,~,,7. ---- DA,TES: This AD is cff...:ctive[insen dale 35 days :lllcrdate ofpuhlication inthe FEDERAL REGISTER]. 

# 1 """.,,,,, The Director oftlle Fedcml Register appro cd Ihe incorporntioll by n;fcrcJlce ofa _. _ 1)"1' cCI1ain publication lisLed in [11l:AD as of(insert da c 35 d<:lYsancr date of publicatIon III t

# """",,;w:- I r,ouw,r; """v, ,·\£)DRESSES: For service infonnalion identified inthis AD, contact Boeing