AD 88-10-03

88-10-03 MCDONNELL DOUGLAS: Amendment 39-5906. Applies to McDonnell Douglas Model DC-10 and KC-10 series airplanes, as listed in McDonnell Douglas Service Bulletin A24-140, dated March 24, 1988, certificated in any category. Compliance required as indicated, unless previously accomplished.

To prevent fire and smoke resulting from chafing of the DC Ground Service Bus power feeder cable against the forward right cabin entrance door push-pull cable, accomplish the following:

A. Within 30 days after the effective date of this airworthiness directive (AD), inspect the DC power feeder cable for evidence of chafing and inspect for minimum clearance between the DC power feeder cable and the forward right cabin entrance door push-pull cable, in accordance with the Accomplishment Instructions of McDonnell Douglas Service Bulletin A24-140, dated March 24, 1988.

1. If the clearance is less than the minimum allowable, modify the installation in accordance with the service bulletin.

2. If there is evidence of chafing on the DC power feeder cable, repair the power cable in accordance with the service bulletin.

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

C. 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 the appropriate service information from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director of Publications, C1-L00 (54-60). This information may be examined at the FAA, 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 May 20, 1988.