AIRWORTHINESS DIRECTIVE

CAA-T-AD-2-041R1/98

This AD Revision cancels and replace CAA-T-AD-2-041/98

Date of issue: June 25, 1998

Effective date: upon receipt

GSAC

TELEGRAPHIC AIRWORTHINESS DIRECTIVE

released by DIRECTION GENERALE DE L'AVIATION CIVILE

This text is not sent to foreign operators of aircraft non registered in France. It is up to the national authorities to forward it to them on receipt.

Translation of 'Consigne de Navigabilité'

ref.: T98-198(B) R1

In case of any difficulty, reference should

be made to the French original issue.

CFMI - Turbo-fan engines CFM56-3 all models.

Accessory gear box (AGB).

1. Applicability:

This AD applies to CFM56-3 / -3B / -3C engines identified and listed in table 1 of Service -Bulletin 72-877 Revision 1, and installed on Boeing 737 or other aeroplanes.

2. Reason:

Two In-Flight Shut Down were experienced due to a failure of the starter gear (line 5) in the accessory gear box (AGB).

3. Mandatory action:

Remove from service the starter gear (line 5) in the AGB of concerned engines (see Service Bulletin 72-877 Revision 1).

4. Dates of compliance:

A) For planes which have the two engines concerned, perform on one engine the above mandatory action before August 1st, 1998.

B) For planes which have only one engine concerned, perform the above mandatory action before

February 1st, 1999.

5. Reference: Service Bulletin CFM56-3 / 3B / 3C S/B 72-877 Revision 1.

6. Effective date: On receipt.

This AD Revision cancels and replace AD T98-198(B) dated May 12, 1998.

Address inquiries concerning this AD to: Ing. Tůma, Civil Aviation Authority, Airworthiness Division, Ruzyne Airport, 160 08 Prague 6, Czech Republic, tel.: 420 2 2011/1729, fax: 420 2 364112