Airworthiness Directive · Amendment 39-14534 · Airbus Model A300 B4-600, B4-600R, and F4-600R Series Airplanes, and Model C4-605R Variant F Airplanes (Collectively Called A300-600 Series Airplanes)
Airbus Model A300 B4-600, B4-600R, and F4-600R Series Airplanes, and Model C4-605R Variant F Airplanes (Collectively Called A300-600 Series Airplanes)
This AD applies to A300 B4-600, B4-600R, and F4-600R series airplanes, and Model C4-605R variant F airplanes (collectively called A300-600 series airplanes); certificated in any category; except those on which Airbus Modification 8608 or 8609 is incorporated.
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Model A300-600 series airplanes. This AD requires modifying nine bolt holes in the vertical flange to prevent cracking before the inspection threshold of AD 98-18-02. This AD results from reports of cracking in the vertical web of the center spar sealing angles of the wing earlier than the inspection interval specified in the existing AD. We are issuing this AD to prevent crack formation in the sealing angles; such cracks could rupture the sealing angle and lead to subsequent crack formation in the bottom skin of the wing, and resultant reduced structural integrity of the center spar section of the wing.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 500 flight cycles after the effective date of this AD: Modify nine bolt holes in the vertical flange of the center spar sealing angles outboard of rib 8, adjacent to the pylon attachment fitting, and do any applicable related investigative and corrective actions before further flight; by doing all the actions in and in accordance with the Accomplishment Instructions of Airbus Service Bulletin A300-57-6033, Revision 01, dated December 18, 2003. If any crack is found during the related investigative action: Before further flight, repair in accordance with the Accomplishment Instructions of Airbus Service Bulletin A300-57-6027, Revision 06, dated March 2, 2005.
Although Airbus Service Bulletin A300-57-6033, Revision 01, dated December 18, 2003, specifies to report crack findings to the manufacturer, this AD does not include that requirement.
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.
