AD 85-25-06

85-25-06 McDONNELL DOUGLAS: Amendment 39-5177. Applies to McDonnell Douglas Model DC-9 and C-9 (Military) series airplanes, fuselage numbers 1 through 1165, certificated in any category. Compliance required as indicated unless previously accomplished.

To eliminate a potential fire ignition source from the generator power feeder cable installation, accomplish the following:

A. Within 12 months after the effective date of this airworthiness directive (AD), for all McDonnell Douglas DC-9 and C-9 (Military) series airplanes, inspect and repair, as necessary, power feeder cable installation in accordance with the Accomplishment Instructions of McDonnell Douglas DC-9 Service Bulletin 24-78, dated April 9, 1985, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

B. Within 12 months after the effective date of this airworthiness directive (AD), modify the power feeder cable installation on all McDonnell Douglas Model DC-9-81 and DC-9-82 series airplanes in accordance with the Accomplishment Instructions of McDonnell Douglas DC-9 Service Bulletin 24-78, dated April 9, 1985, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

C. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

D. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director, Publications and Training, C1-750 (54-60). These documents also may be examined at theFAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.

This amendment becomes effective January 10, 1986.