AD 90-12-11 R1

90-12-11 R1 BOEING: Amendment 39-6626 as revised by Amendment 39-6683. Docket No. 90-NM-86-AD.

Applicability: Model 727, 737, and 757 series airplanes, equipped with escape slide release cables, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To ensure proper escape slide release from the escape slide compartment, accomplish the following:

A. Within 45 days after the effective date of this AD, unless previously inspected within the last three months, perform a visual inspection of each escape slide release cable, if installed. Replace frayed (one or more broken strands) or broken cables prior to further flight.

B. Repeat the inspection for frayed or broken release cables required by paragraph A. of this AD, at intervals not to exceed 12 months.

C. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment, and then send it to the Manager, Seattle Aircraft Certification Office.

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.

This AD revises AD 90-12-11, Amendment 39-6626.

The effective date for the requirements of this amendment remains June 25, 1990, as specified in Amendment 39-6626, AD 90-12-11. This amendment (39-6683, AD 90-12-11 R1) is effective on July 31, 1990.