AD 87-08-03

87-08-03 LOCKHEED-CALIFORNIA COMPANY: Amendment 39-5595. Applies to Lockheed Model L-188A and L-188C airplanes, certificated in any category. Compliance required as indicated, unless previously accomplished.

To prevent airframe vibration from an open wing air start access door, accomplish the following:

A. Within 500 hours time-in-service after the effective date of this AD, modify the air start door in accordance with Lockheed Drawing 842715, dated February 18, 1986, or later revision approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

B. 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.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a base to accomplish the modification required by 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 Lockheed-California Company, P.O. Box 551, Burbank, California 91520, Attention: L-188, Commercial Support Contracts, Dept. 63-11 Unit 33. These documents 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 5, 1987.