92-23-05 AIRBUS INDUSTRIE: Amendment 39-8405. Docket No. 91-NM-244-AD. Supersedes AD 90-14-05, Amendment 39-6648.
Applicability: Model A300 series airplanes equipped with General Electric engines; up to and including airplane serial number 153 and serial number 157; on which Airbus Industrie Modification 8430 has not been installed; certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To ensure proper operation of the fire extinguishing system, accomplish the following:
(a) Within 400 hours time-in-service after July 23, 1990 (the effective date of Amendment 39-6648, AD 90-14-05), perform an inspection of the engine fire extinguishing pipe in the pylon area at rib 12, in accordance with Airbus Industrie All Operators Telex (AOT) 26/90/01, dated February 9, 1990, and Correction, dated February 9, 1990. If chafing is found, prior to further flight, repair in accordance with the AOT.
(b) If no evidence of chafing is found as a result of the inspection required by paragraph (a) of this AD, perform repetitive visual inspections of the engine fire extinguishing pipe in the pylon area at rib 12 at intervals not to exceed 8,000 hours time-in-service, in accordance with Airbus Industrie Service Bulletin A300-26-055, Revision 1, dated September 4, 1991, or Revision 2, dated December 18, 1991. If wear is found that exceeds 0.6 mm (0.023 inch), prior to further flight, repair or replace the worn pipe in accordance with the service bulletin.
(c) Within 18 months after the effective date of this AD, modify the engine fire extinguishing pipe, and test the fire extinguishing bottles, in accordance with Airbus Industrie Service Bulletin A300-26-055, Revision 1, dated September 4, 1991, or Revision 2, dated December 18, 1991.
(d) Modification of the engine fire extinguishing pipe, in accordance with Airbus Industrie Service Bulletin A300-26-055, Revision 1, dated September 4, 1991, or Revision 2, dated December 18, 1991, constitutes terminating action for the repetitive visual inspections required by paragraph (b) of this AD.
(e) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch.
NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch.
(f) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.
(g) The inspections, repair, replacement, modification, and test shall be done in accordance with the following Airbus Industrie service bulletins, as applicable, which contain the specified effective pages:
Service Bulletin
Referenced and Date
Page Number
Revision Level
Shown on Page
Date
Shown on Page
All Operators Telex
(AOT) 26/90/01,
February 9, 1990
1-2
(Original)
February 9, 1990
Correction to
All Operators Telex
(AOT) 26/90/01,
February 9, 1990
1
(Original)
February 9, 1990
A300-26-055,
Revision 1,
September 4, 1991
1-22
1
September 4, 1991
A300-26-055,
Revision 2,
December 18, 1991
1, 5-6, 8-28
2-4, 7
2
1
December 18, 1991
September 4, 1991
This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Airbus Industrie, Airbus Support Division, Avenue Didier Daurat, 31700 Blagnac, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.
(h) This amendment becomes effective on December 14, 1992.