State of Israel Ministry of Transport Civil Aviation Authority

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**G:\AIRW-EN\AD\AD G100\AD 31-06-11-05\AD 31-06-11-05 R1.doc**  AD 31-06-11-05R1 Date: May 18, 2011

AIRWORTHINESS DIRECTIVE

**This Airworthiness Directive, issued by the Civil A viation Authority in accordance with the**  **Israeli Aviation Regulations, applies to an aircraf t for which our records list you as the registered**  **owner. It affects aviation safety and requires your immediate attention. No person may operate an**  **aircraft to which an Airworthiness Directive applie s, except in accordance with that Directive.** 

APPLIES TO: **Gulfstream Aerospace LP (GALP) Models** 1125 ASTRA

**,** ASTRA SPX

**and** G100 **aircraft, all serial numbers except S/N 158, certi ficated in any** 
**category.**

SUBJECT: **Separation of Main Entry Door (MED) and MED Inflate able Seal warning** 

**lights.**

**Revision 1 is introduced to limit the calendar time for accomplishment of**  **this AD and revise the possible results of MED incomplete closure.** 

REASON: **To increase pilots' awareness to the possibility o f incomplete closure of the** 

**Main Entry Door (MED) by the following means:**

**1. Splitting the common caution light**  CABIN DOOR **signaling both MED Improper Closure and MED Inflatable Seal Failure in**  **to two separate lights:**  CABIN DOOR **and** CABIN DOOR SEAL

**. 2.**  **Converting the separated** CABIN DOOR **Caution light into a Warning light by changing its color to red.** 

**NOTE: Airplane Flight Manuals (AFM'S) refer to these changes as** 

**M OD G1-20052.** 

**Incomplete cl osure of the MED may be followed by in-flight openi**  **ng and possible sepa**  **ration of the door. As a result, the MED, the adjac ent fuselage** 

**structure and other parts of the aircraft may be damaged due to**  **opening**

**forces and la nding impact.**  **Damage to the aircraft structure and to the left engine by flyin**  **g debris and objects may a**  **lso occur. Injury and damage to people and property on the**  **ground may be caused by falling debris and objects.** State of Israel Ministry of Transport Civil Aviation Authority

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**G:\AIRW-EN\AD\AD G100\AD 31-06-11-05\AD 31-06-11-05 R1.doc**  AD 31-06-11-05R1

ACTION: **Unless previously accomplished, perform the change s listed below in** 

**accordance with Gulfstream Service Bulletin 100-31 -284, original issue**  **or later approved revision: Modify the Warning & Caution Lights Panel (WACLP).** 

**Change the WACLP and MED wiring. Change the wiring harness connecting the MED to th**  **e WACLP.**

**Verify that the Log of Modification of the AFM incl udes reference to**  **MOD G1-20052. If no reference is found, update the AFM.** 

COMPLIANCE **: Compliance with this AD is required within 250 fl ight hours after June 10,** 

**2009 (the effective date of the original issue of this AD), but no later than**  **December 31, 2011.**

EFECTIVE DATE **: May 31, 2011.**

FOR FURTHER INFORMATION CONTACT: **Mr. N. Kletshevsky, Engineering, Airworthiness Dept. - P.O.Box 1101, Airport City, I**  **srael 70100. Telephone: 972-3-9774-539, Fax: 972-3-9774-592, e**  **-mail: kletshn@mot.gov.il.**