AD 2000-03-11 Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

Models named: MD-11 series. Read the applicability below — it usually turns on serial or part numbers too.

Model MD-11 series airplanes, as listed in McDonnell Douglas Alert Service Bulletin MD11-30A020, Revision 03, dated May 5, 1999, certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (c) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.

Required as indicated, unless accomplished previously. To prevent burnt internal circuit boards caused by a short in either the engine or airfoil anti-ice valve, or windshield anti-ice controller, which could result in smoke in the cockpit, accomplish the following: Replacement and Modification (a) Within 1 year after the effective date of this AD, replace the 10 amp circuit breakers with 5 amp circuit breakers in the left and right windshield anti-ice power controllers, and accomplish either paragraph (a)(1) or (a)(2) of this AD, in accordance with McDonnell Douglas Alert Service Bulletin MD11-30A020 Revision 03, dated May 5, 1999. (1) Option 1. Replace the anti-ice control panel and return the panel to Honeywell Inc. for modification and reidentification in accordance with Option 1 of the service bulletin. (2) Option 2. Modify and reidentify the anti-ice control panel in accordance with Option 2 of the service bulletin. Note 2: Replacements, modifications, and reidentifications accomplished prior to the effective date of this AD in accordance with McDonnell Douglas Service Bulletin MD11-30-020, dated March 6, 1995; Revision 01, dated February 20, 1996; or Revision 02, dated August 25, 1997; are considered acceptable for compliance with the requirements of paragraph (a) of this AD. Spares (b) As of the effective date of this AD, no person shall install an anti-ice control panel, part number 4059030-901 or -902, on any airplane, unless it has been modified and reidentified as part number 4059030-911 or -912, in accordance with paragraph (a)(1) or (a)(2) of this AD. Alternative Methods of Compliance (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, Los Angeles Aircraft Certification Office (ACO), 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, Los Angeles ACO. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO. Special Flight Permits (d) Special flight permits may be issued in accordance with §§ 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Incorporation by Reference (e) The actions shall be done in accordance with McDonnell Douglas Alert Service Bulletin MD11-30A020 Revision 03, dated May 5, 1999. 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 Boeing Commercial Aircraft Group, Long Beach Division, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Technical Publications Business Administration, Dept. C1-L51 (2-60). Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Transport Airplane Directorate, Los Angeles Aircraft Certification Office, 3960 Paramount Boulevard, Lakewood, California; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (f) This amendment becomes effective on March 23, 2000. Issued in Renton, Washington, on February 10, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 00-3619 Filed 2-16-00; 8:45 am] BILLING CODE 4910-13-P