## 14910-I3-P)

NcuAAEN{'€, OUTING ,YM~OL ANM·116 M8 

### 14CFR Part 39 DEPARTMENT OF TRANSlORTATION Federal Aviation Administration



# ilb~ [Docket No. FAA-2010-*****;IDirectorate Identifier 2010-NM-057-AD] R1N 2120-AA64 I ANM·116TG 

### Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held, I 

### by Israel Aircraft Industries, Ltd.) Model Astra SPX, 1125 Westwind Astra, and DATI / / 

### f'/15/1' Gulfstream 100Airplanes ~"TTNG S MHO, LGB AEG 

### AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice ofproposed tlemaking (NPRM). SUMMARY: We propose to adopt anew airworthiness directive (AD) forthe products listed above. This proposed AD~esults from mandatory continuing airworthiness information (MeAl) originated byanaviation authority ofanother country to identify and correct an unsafe condition bn anaviation product. The MeAl describes the unsaf, condition as: Sponge rubber padding used to provide separation between wheel well fuel lines and electrical harnesses was discovered during fleet maintenance. Use ofthd type ofpadding for this purpose isnot approved as itis liable tocause cohosion ofthe fuel lines. Unless steps are taken to remove this padding an~ install approved separation means, fuel lines may be damaged by corrosion and/or chafIng resulting in anunsafe condition due to fuelleakage[,whith could result inafire] inthe wheel well area. The proposed AD would reqUiJ actions that are intended to address the unsafe condition described inthe MeAl.

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### DATES: We must receive comments on this proposed AD by 

### [INSERT DATE 45 I INITIAL>lSIG

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OUT'NG SVMBOL14910-I3-PI DEPARTMENT OF TRANSPORTA nON Federal ,~,:\'iatiooAdministration 14CFR Part 39 lDucket No. FAA·2010-*****; Directorate 16entifier2010-NM-057-AOI RIN 2UO·AA64 Airw{)rtbincss Directives; Gulfstream 

### Aerospilce LP (Type Certificate Previously Held by Israel Aircraft IndUStries,-LtJ) Model Astra S.PX, 1125 Westwind Astra. and Gulfstream 100Airplanes AGENCY: Federal AIr;ation Administration (FAA), DOT. ACTION: Notice ofpropos....<>d rulemaking (l\"TR.\of). SUMJ\-l..4.RY:We propose to adopt anew aWNortbiness directive (AD) forthe products listed above. This proposed .1\.0results from mandatory continuing, airworthiness infonnation (MeAl) originated by anaviation authority ofandtber cOWltry to identify and correct an unsafe condition1pn an aviation froduct. The MeAl describes the unsafe condilion as: Sponge mbber padding sedtoprovide·separation Qetween wheel well fuel tines and eiectriml 

### harnesses was discovered during fleet maintenance. 

### Use ofthiJ type ofpadding fOT this purpose is not approved as 

### it isliable tocause corrosion ofthe fuel lines. Unless steps are taken to remove this padding and install approved separation means, fuel lines may be damaged by corrosion and/or chafing resulting inan unsafe condition due to fuclleakage{,whiCh could result in a ftre] in the wheel well area_ The proposed AD would require actions that are intended to address the onsaf~ conditio described in the MeAL DATES: We must receive comments on thisproposed-AD by [INSERT DATE 45 10'4 ;A(Jjf) 

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