Airworthiness Directive · Amendment 39-13848 · McDonnell Douglas Model MD-11 and MD-11F Airplanes
McDonnell Douglas Model MD-11 and MD-11F Airplanes
This AD applies to McDonnell Douglas Model MD-11 and MD-11F airplanes, as listed in McDonnell Douglas Alert Service Bulletin MD11-24A175, Revision 01, dated April 25, 2003; certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model MD-11 and MD-11F airplanes. This AD requires replacement of low base terminal boards, related investigative action, and corrective actions if necessary. This AD is prompted by arcing between a power feeder cable and terminal board support bracket. We are issuing this AD to prevent arcing damage to the power feeder cables, terminal boards, and adjacent structure, which could result in smoke and/or fire in the cabin.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
The term “service bulletin,” as used in this AD, means the Accomplishment Instructions of McDonnell Douglas Alert Service Bulletin MD11-24A175, Revision 01, dated April 25, 2003, including Boeing Information Notices MD11-24A175 IN 01, dated November 6, 2003, and MD11-24A175 IN 02, dated December 17, 2003.
Within 18 months after the effective date of this AD, replace low base terminal boards with higher base terminal boards in accordance with the applicable figure in the service bulletin, and do all related investigative action/applicable corrective actions by accomplishing all the actions in the service bulletin, except as provided by paragraph (h) of this AD. Any related investigative action/applicable corrective actions must be done before further flight.
(h) If, during the corrective actions required by paragraph (g) of this AD, the type of structural material that has been damaged is not covered in the structural repair manual, before further flight, repair in accordance with a method approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA.
(i) As of the effective date of this AD, no person may install a terminal board, as listed in section 1.A.2. “Spares Affected” of the Planning Information of the service bulletin, on any airplane.
Although the service bulletin referenced in this AD specifies to submit certain information 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.
