AIRWORTHINESS DIRECTIVE

CAA-AD-4-098/98

Date of issue: December 29, 1998

AIRCRAFT - DOWTY RAM AIR TURBINES - INSPECTION

Applicability: AIRBUS INDUSTRIE A300, A310 and A300-600 aircraft, all certified models and all serial numbers, which are fitted with a DOWTY ram air turbine P/N :

RAT 16C 100 VG,

RAT 16C 103 VG,

RAT 16C 109 VG,

RAT 16C 101 VG,

RAT 16C 105 VG,

RAT 16C 110 VG.

Effective date: January 28, 1999

Compliance: Required as indicated in DGAC AD 98-448-262(B).

Remarks: Where applicable, the requirements of this AD must be integrated into the Aircraft's Logbook(s). Address inquiries concerning this AD to: Civil Aviation Authority, Airworthiness Division, Ruzyně Airport, 160 08 Prague 6, Czech Republic, tel.: 420 2 324086, fax: 420 2 364112.

Ing. Pavel MATOUŠEK
Director of Airworthiness Division, CAA CZ

 

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. : 98-448-262(B)
In case of any difficulty, reference should be made to the French original issue.

AIRBUS INDUSTRIE
A300, A310 and A300-600 Aircraft
Modification to the DOWTY ram air turbines (ATA 29)

APPLICABILITY:
AIRBUS INDUSTRIE A300, A310 and A300-600 aircraft, all certified models and all serial numbers, which are fitted with a DOWTY ram air turbine P/N :

RAT 16C 100 VG,

RAT 16C 103 VG,

RAT 16C 109 VG,

RAT 16C 101 VG,

RAT 16C 105 VG,

RAT 16C 110 VG.

REASONS:
In order to prevent any corrosion and/or improper adjustment of the rod which ensures the locking of the ram air turbine in rotation, which could subsequently prevent its unlocking, and consequently, lead to the failure of the associated hydraulic pump to operate during deployment in flight.

ACTIONS:
Before December 31st, 2002, modify and re-identify the ram air turbines, in accordance with the instructions of AIRBUS INDUSTRIE Service Bulletins A300-29-0106, A310-29-2078 or A300-29-6039 (modification No 11206).

REFERENCES:
AIRBUS INDUSTRIE Service Bulletin A310-29-0106
AIRBUS INDUSTRIE Service Bulletin A310-29-2078
AIRBUS INDUSTRIE Service Bulletin A300-29-6039
(or any later approved revision of the above mentioned Service Bulletins).

EFFECTIVE DATE: NOVEMBER 28.1998