AIRWORTHINESS DIRECTIVE
CAA-AD-4-070/98
Date of issue: September 01, 1998
AIRCRAFT - LOWER SPARS OF ENGINE PYLONS - INSPECTION
Applicability: A300, A310 a A300-600 aircraft all certified models and all serial numbers.
Effective date: December 3, 1998
Compliance: Required as indicated in DGAC AD No. 93-228-154(B) R2.
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. : 93-228-154(B) R2
In case of any difficulty, reference should be made to the French original issue.
AIRBUS INDUSTRIE
A300, A310 and A300-600 Aircraft
Lower spars of engine pylons
This Airworthiness Directive is applicable to AIRBUS INDUSTRIE A300, A310 and A300-600 aircraft, all certified models and all serial numbers having not received modification 10149 when built.
In order to prevent initiation of cracks on the lower spars of the engine pylons, which would affect the structural integrity and lead to extensive repairs, the following measures are rendered mandatory from the effective date of this Airworthiness Directive :
1.Perform an inspection of the lower spars of the engine pylons between ribs 6 and 7 as per the threshold and instructions given by AIRBUS INDUSTRIE Service Bulletins A300-54-073 R1, A310-54-2017 R1 and A300-54-6014 R1.
2.Depending on the results of the previous inspection and the actions taken, repeat the inspection in compliance with the intervals given in AIRBUS INDUSTRIE Service Bulletins A300-54-073 R1, A310-54-2017 R1 and A300-54-6014 R1.
NOTE: In all cases, the results of the inspections must be reported to the aircraft manufacturer as soon as possible.
This Revision 2 replaces AD 93-228-154(B) R1 dated May 10,1995.
Ref. : AIRBUS INDUSTRIE Service Bulletins
A300-54-073 R1 (or any further approved revision)
A310-54-2017 R1 (or any further approved revision)
A300-54-6014 R1 (or any further approved revision).
EFFECTIVE DATES:
Original AD . JANUARY 02,1994
Revision 1 . MAY 20,1995
Revision 2 . SEPTEMBER 05,1998