AD 87-04-17

87-04-17 MCDONNELL DOUGLAS: Amendment 39-5545. Applies to McDonnell Douglas Model DC-10-10, -15, -30, -40, and KC-10A (Military) series airplanes, certificated in any category. To prevent loss of fuel shutoff and fire extinguishing capabilities, accomplish the following within the next eighteen (18) months after the effective date of this AD, unless already accomplished:

A. Modify and reidentify engine No. 2 aft fuselage mounted fuel fire shutoff valve in accordance with the Accomplishment Instructions of McDonnell Douglas DC-10/KC-10A Service Bulletin 28-168, dated April 16, 1986, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

B. Modify, reidentify, and rotate engine No. 1 and engine No. 2 wing spar mounted fuel fire shutoff valves, and modify and reidentify engine No. 3 wing spar mounted fuel fire shutoff valves, in accordance with the Accomplishment Instructions of McDonnell Douglas DC-10 ServiceBulletin 28-55, Revision 3, dated December 19, 1980, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

C. An alternate means of compliance with this AD which provides 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 the airplane to a base for accomplishment of the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service 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 may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, orthe Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.

This supersedes AD 86-09-10, Amendment 39-5305, and AD 86-16-08, Amendment 39-5375.

This Amendment, 39-5545, becomes effective March 13, 1987.