Airworthiness directives › 2004-07-04
AD 2004-07-04 Airworthiness Directives; McDonnell Douglas Model DC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-32F (C-9A, C-9B), DC-9-33F, DC-9-34, and DC-9-34F Airplanes; and Model DC-9-21, DC-9-41, and DC-9-51 Series Airplanes
Models named: DC-9-21, DC-9-41, DC-9-51 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model DC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-32F (C-9A, C-9B), DC-9-33F, DC-9-34, and DC-9-34F airplanes; and Model DC-9-21, DC-9-41, and DC-9-51 series airplanes; as listed in Boeing Alert Service Bulletin DC9-33A114, Revision 03, dated January 16, 2003; certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent overheating of the ballast transformers due to aging fluorescent tubes that cause a higher power demand on the ballast transformers, which could result in smoke in the cockpit, accomplish the following: Replacement or Modification (a) Replace the transformer ballast assembly from the pilot's console with a new, improved ballast assembly per the Work Instructions in McDonnell Douglas Alert Service Bulletin DC9-33A114, Revision 01, dated February 15, 2000; or the Accomplishment Instructions in Boeing Alert Service Bulletin DC9-33A114, Revision 03, dated January 16, 2003; or modify the existing ballast transformer assembly per the Accomplishment Instructions in Boeing Alert Service Bulletin DC9-33A114, Revision 03, dated January 16, 2003; at the applicable time specified in paragraph (a)(1) or (a)(2) of this AD. Note 1: Boeing Alert Service Bulletin DC9-33A114, Revision 03, refers to Elektronika, Inc. Product Improvement Service Bulletin 33-EKA0199-BPC, Revision D, dated November 25, 2002, as an additional source of service information for accomplishment of the modification of the transformer ballast assembly for McDonnell Douglas Model DC-9 series airplanes. (1) For airplanes listed in McDonnell Douglas Alert Service Bulletin DC9-33A114, Revision 01, dated February 15, 2000: Within 12 months after February 8, 2002 (the effective date of AD 2001-26-24, amendment 39-12590). (2) For airplanes having fuselage numbers 1039 and 1046: Within 12 months after the effective date of this AD. Parts Installation (b) As of the effective date of this AD, no person shall install a transformer assembly, part number BA170-1, -11, -21, or -MOD.B, on any airplane. Prior Replacements (c) Replacements accomplished before the effective date of this AD per McDonnell Douglas Alert Service Bulletin DC9-33A114, Revision 02, dated March 19, 2002, are considered acceptable for compliance with the corresponding action specified in this AD. Alternative Methods of Compliance (d)(1) In accordance with 14 CFR 39.19, the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, is authorized to approve alternative methods of compliance (AMOCs) for this AD. (2) Alternative methods of compliance, approved previously per AD 2001-26-24, amendment 39-12590, are approved as alternative methods of compliance with this AD. Incorporation by Reference (e) Unless otherwise provided in this AD, the actions shall be done in accordance with McDonnell Douglas Alert Service Bulletin DC9-33A114, Revision 01, dated February 15, 2000; or Boeing Alert Service Bulletin DC9-33A114, Revision 03, dated January 16, 2003; as applicable. (1) The incorporation by reference of Boeing Alert Service Bulletin DC9-33A114, Revision 03, dated January 16, 2003, is approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. (2) The incorporation by reference of McDonnell Douglas Alert Service Bulletin DC9-33A114, Revision 01, dated February 15, 2000, was approved previously by the Director of the Federal Register as of February 8, 2002 (67 FR 497, January 4, 2002). (3) Copies may be obtained from Boeing Commercial Airplanes, Long Beach Division, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Data and Service Management, Dept. C1-L5A (D800-0024). Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, 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. Effective Date (f) This amendment becomes effective on May 5, 2004. Issued in Renton, Washington, on March 22, 2004. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-6956 Filed 3-30-04; 8:45 am] BILLING CODE 4910-13-P
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1