[491O-I3-PI



### DEPARTMENT OF TRANSPORT AnON


### ·"~"'fii"~""~'I<C~ES· 

# = lilhuTI1<o ,YMBOL ANM-116



### " 

## , Airwortbiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held ANM-116 

### Federal Aviation Administration

R1N 2120-AA64 

# 0t556 [Docket No. FAA-2010-*****; Directorate Identifier 2010-NM-053-ADJ 14CFR Part 39

by Israel Aircraft 

### Industries, Ltd.) Model Galaxy and Gulfstream 200 Airplanes 

### AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed 111lemaking (NPRM). SUMMARY: We propose to adopt a new airworthiness directive (AD) for the products 

### listed above. This proposed AD results from mandatory continuing airworthiness information (MeAl) originated 

### byanaviation authority 

### of another country 

### to identify O•••. "l~G SYMBOL LGH-AEG
r~tT'AL'\ISIG EH 

# ~pY
"GS\"MfO)I. 

## ftN(Y\-,
~<T"'I.S'SIG 

## c.C-&r-- and COTTeci

an unsafe condition on an aviation product. The MCAI 

### describes the unsafe condition as: Extension ofairbrakes above 360 KIAS [knots indicated air spced]/O.79 Mj 

### [Mach indicated] results inaerodynamic driven vIbration oflhe airbrake which, ifnot limited per Revision 14to theAFM [airplane flight manual], can lead tohigh cycle fatigue failure ofthe airbrake in-board hinge. The unsafe condition ishigh cycle fatigue oftbe airbrake in~board hinge, which can result in loss ofthe airbrake, which inturn can lead to reduced controllability ofthe airplane. The proposed AD would require actions that are intended to address the unsafe condition described inthe MCAL 

### DATES: We must receive comments on this proposed AD by [INSERT DATE 4514910-13-PI DEPART;\1ENT OFTRANSPORTATION Federal Aviation Administrntion 14

## ern Part 39 "",,~"""'>lU ',Jl"_<l'''''''''' '\:-"M·lll.> lDocker No. FAA~2010-·****; Directorate Jdentifier 2010-NM-053-ADj RIN 2120-.4..4064 Airworthiness Directives; Gulfstrcam Aerospace LP (Type Certificate Previously Held 

# , I by Israel Aircraft industries, Ltd,) Model Galaxy and GulfslTeam 200 Airplant::s I AGENCY: Federal Aviation Administration (FAA), DOT. 

### ~_><"""l I.GU-/leG ACTION: Notice ofproposed rulcma.!,:iog(NPRM). SUMMARY: We propose to adopt anew airworthiness directive (AD) for the products 

### ••.." listed above. This proposed AD results from mandalOry iontinuing airworthmess information (MeAl) originated by anaviation authority

# ranother country to identify and correCI anunsafe condition on an aviation product. The MeAL describes the unsafe 

### " condition as: Extension ofairbrakcs above 360 KlAS [1-.11015 in'dicated air 5pecd]/O.79 Mi [Mach indicated] results inaerodynamic driv~n vibration of the airbrake which. ifnor limited per Revision 14 to the AFM [airplane flight manual], can lead tohigh cycle fatigue failure of~he airbrakc in-bO;Jrd hinge. 'I'm•.••• '

The unsafe condition is high cycle fatigue of theairbrake in-board hinge. which can 

### I result in loss ofthe airbrake. which inturn can lead to reduced controllability ofthe

, airplane. The proposed AD would require actions that ::1ft intended to address the unsafe "':

condition described in the MeAl. 

## ., DATES: We must reccive comments onthis proposed AD by [lNSERT DATE 45



### ~--