AD 93-10-03

93-10-03 AIRBUS INDUSTRIE: Amendment 39-8581. Docket 92-NM-224-AD. Applicability: Model A320 series airplanes, as listed in Airbus Industrie Service Bulletin A320-28-1040, Revision 1, dated April 3, 1992; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent the occurrence of electrical arcing between the fuel probes and the center and inner wing fuel tanks, accomplish the following:

(a) For airplanes on which Modification 22647 has not been accomplished: Within 9 months after the effective date of this AD, remove fuel probes 35QT, 36QT, 37QT, 38QT, and 39QT; install a nylon plate on each attachment bracket in the center fuel tank, Modification 22647; reinstall the fuel probes; and perform a functional check; in accordance with Airbus Industrie Service Bulletin A320-28-1040, Revision 1, dated April 3, 1992; or Revision 3, dated January 15, 1993.

(b) For airplanes on which Modification 22855 has not been accomplished: Within 9 months after the effective date of this AD, remove fuel probes 21QT1, 21QT2, 22QT1, 22QT2, 23QT1, 23QT2, 25QT1, 25QT2, 26QT1, 26QT2, 27QT1, 27QT2, 29QT1, 29QT2, 31QT1, and 31QT2; install new support bracket assemblies on fuel probes 1 and 2 in the inner fuel tanks of the left- and right-hand wings, Modification 22855; reinstall fuel probes; and perform a functional check; in accordance with Airbus Industrie Service Bulletin A320-28-1040, Revision 1, dated April 3, 1992; or Revision 3, dated January 15, 1993.

(c) 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, ANM-113.

NOTE: Information concerning theexistence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(d) 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.

(e) The removal, modification, reinstallation and functional check shall be done in accordance with the following Airbus Industrie service bulletins, which contain the specified effective pages, as applicable:

Service Bulletin Referenced and Date Revision Level Page Number Date Shown on Page

Shown on Page A320-28-1040, Revision 1, April 3, 1992 1-5, 7, 9 12-13, 27-29

6, 8, 10-11 14-26 1

(Original) April 3, 1992

January 31, 1992 A320-28-1040, Revision 3, January 15, 1993 1-4, 7, 9-23 26-38

5-6, 8 24-25 3

(Original) January 15, 1993

January 31, 1992

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, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, 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.

(f) This amendment becomes effective on July 1, 1993.