AD 87-06-03

87-06-03 BOEING: Amendment 39-5581. Applies to Boeing Model 707-300 series airplanes modified in accordance with Supplemental Type Certificate (STC) SA2699NM, certificated in any category. Compliance required as indicated unless previously accomplished.

To prevent loss of engine cowl, within the next 50 hours time in service, or within 30 days, whichever occurs earlier after the effective date of this AD, accomplish the following:

A. Inspect and rework as required, each engine nose cowl extension attach bolt, bolt spacer, aft flange of the nose cowl extension and the engine case in accordance with the accomplishment instructions of Tracor Service Bulletin Q707-71-016, Revision 1, dated January 2, 1987, or later FAA-approved revision.

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 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 Tracor Aviation, Inc., 495 South Fairview Avenue, Goleta, California 93117, Attention: Customer Services. This information may be examined at 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 March 30, 1987.