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)

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).

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

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

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

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

B) For planes which have only one engine concerned, perform the above mandatory action before 1st August 1998.

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

6. Effective date: On receipt.