GSAC

AIRWORTHINESS DIRECTIVE

released by DIRECTION GENERALE DE L'AVIATION CIVILE

Inspection and/or modifications described below are mandatory. No person may operate a product to which this

Airworthiness Directive applies except in accordance with the requirements of this Airworthiness Directive

Translation of 'Consigne de Navigabilité'

ref.: 98-073-051(B)

In case of any difficulty, reference should

be made to the French original issue.

ATR

ATR 72 Aircraft

ROTRON recirculation fan

1/ Involved material :

This Airworthiness Directive applies to ATR 72 aircraft models -101, -201, -102, -202, -211, -212 and -212A on which either ATR modification 3214 or modification 3437 (Service Bulletin ATR 72-21-1016) has been embodied and on which ATR modification 4197 (Service Bulletin ATR 72-21-1034) has not been embodied.

2/ Actions :

In order to prevent an important cabin smoke emission, as a consequence of the electrolytic capacitor venting of the ROTRON fan EMI filter circuit, inspect and modify ROTRON fans P/N 011232500 and 011494500 in accordance with the instructions of Service Bulletin ATR 72-21-1048 (ATR modification 8195).

3/ Compliance time :

At the first opportunity and at the latest before December 31, 1998.

4/ References :

- Service Bulletin ATR 72-21-1034.

- Service Bulletin ATR 72-21-1016.

- Service Bulletin ATR 72-21-1048.

- Original issue or any further approved revision.

EFFECTIVE DATE : FEBRUARY 21, 1998

February 11, 1998 ATR 98-073-051(B)

ATR 72 Aircraft