Airworthiness Directive · Amendment 39-18508 · Time limits/maintenance checks
Airbus Airplanes
This AD applies to Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes), certificated in any category, all manufacturer serial numbers.
We are superseding Airworthiness Directive (AD) 2007-10-10 R1 for all Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). AD 2007-10-10 R1 required revising the Airworthiness Limitations Section (ALS) of the Instructions for Continued Airworthiness to incorporate new limitations for fuel tank systems. This new AD requires revising the maintenance program or inspection program to incorporate revised fuel maintenance and inspection tasks. This AD was prompted by issuance of more restrictive maintenance requirements and/or airworthiness limitations by the manufacturer. We are issuing this AD to prevent the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors caused by latent failures, alterations, repairs, or maintenance actions, could result in fuel tank explosions and consequent loss of the airplane.
This paragraph restates the requirements of paragraph (f) of AD 2007-10-10 R1, with corrected paragraph references. Within 3 months after June 27, 2007 (the effective date of AD 2007-10-10, Amendment 39-15051 (72 FR 28827, May 23, 2007) (“AD 2007-10-10”)), revise the ALS of the Instructions for Continued Airworthiness to incorporate Airbus A300-600 ALS Part 5—Fuel Airworthiness Limitations, dated May 31, 2006, as defined in Section 1, “Maintenance/Inspection Tasks,” of Airbus A300-600 Fuel Airworthiness Limitations, Document 95A.1929/05, Issue 1, dated December 19, 2005; or Airbus A300-600 Fuel Airworthiness Limitations, Document 95A.1929/05, Issue 2, dated May 16, 2007. For all tasks identified in Section 1 of these documents, the initial compliance times start from the later of the times specified in paragraphs (g)(1) and (g)(2) of this AD, and the repetitive inspections must be accomplished thereafter at the intervals specified in Section 1 of these documents, except as provided by paragraph (h) of this AD.
(1) June 27, 2007 (the effective date of AD 2007-10-10).
(2) The date of issuance of the original French standard airworthiness certificate or the date of issuance of the original French export certificate of airworthiness.
Note 1 to paragraph (g) of this AD: Airbus Operator Information Telex (OIT) SE 999.0076/06, dated June 20, 2006, identifies the applicable sections of the Airbus A300-600 Airplane Maintenance Manual for accomplishing the tasks specified in Section 1 of Document 95A.1929/05.
This paragraph restates the requirements of paragraph (g) of AD 2007-10-10 R1, with revised document citations. For Task 28-18-00-03-1, “Operational check of low-level/underfull/calibration sensors,” identified in Section 1, “Maintenance/Inspection Tasks” of Airbus A300-600 Fuel Airworthiness Limitations, Document 95A.1929/05, Issue 1, dated December 19, 2005; or Airbus A300-600 Fuel Airworthiness Limitations, Document 95A.1929/05, Issue 2, dated May 16, 2007: The initial compliance time is the later of the times specified in paragraphs (h)(1) and (h)(2) of this AD. Thereafter, Task 28-18-00-03-1 must be accomplished at the repetitive interval specified in Section 1 of these documents.
(1) Prior to the accumulation of 40,000 total flight hours.
(2) Within 72 months or 20,000 flight hours after June 27, 2007 (the effective date of AD 2007-10-10), whichever occurs first.
This paragraph restates the requirements of paragraph (h) of AD 2007-10-10 R1, with a revised compliance time. Within 12 months after June 27, 2007 (the effective date of AD 2007-10-10), revise the ALS of the Instructions for Continued Airworthiness to incorporate Airbus A300-600 ALS Part 5—Fuel Airworthiness Limitations, dated May 31, 2006, as defined in Section 2, “Critical Design Configuration Control Limitations,” of Airbus A300-600 Fuel Airworthiness Limitations, Document 95A.1929/05, Issue 1, dated December 19, 2005; or Airbus A300-600 Fuel Airworthiness Limitations, Document 95A.1929/05, Issue 2, dated May 16, 2007.
Within 3 months after the effective date of this AD, revise the maintenance or inspection program, as applicable, by incorporating the airworthiness limitations as specified in Airbus A300-600 Airworthiness Limitations Section Part 5—Fuel Airworthiness Limitations, Revision 00, dated May 27, 2014. The initial compliance times for the actions specified in Airbus A300-600 Airworthiness Limitations Section Part 5—Fuel Airworthiness Limitations, Revision 00, dated May 27, 2014, are at the later of the times specified in Airbus A300-600 Airworthiness Limitations Section Part 5—Fuel Airworthiness Limitations, Revision 00, dated May 27, 2014, or within 3 months after the effective date of this AD, whichever occurs later. Accomplishing the revision required by this paragraph terminates the actions required by paragraphs (g) through (i) of this AD.
After the maintenance or inspection program has been revised as required by paragraph (j) of this AD, no alternative actions (e.g., inspections), intervals, and/or CDCCLs may be used unless the actions, intervals, and/or CDCCLs are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (l)(1) of this AD.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
