AD 85-11-03

85-11-03 BOEING: Amendment 39-5067. Applies to all Model 757 series airplanes equipped with Air Cruisers evacuation slides, part numbers (P/N) as specified in Boeing Service Bulletin 757-25-0040 dated December 21, 1984. To assure slides do not become unsafe due to porosity, accomplish the following, unless already accomplished.

A. Accomplish inspection procedures in accordance with the service bulletin or later FAA-approved revisions, as follows:

1. For slides manufactured prior to six months before the effective date of this AD, accomplish the inspection within the next 12 months.

2. For all other slides, accomplish the inspection within 18 months after the date of manufacture.

3. Slides which do not meet the limitations set forth in the service bulletin must be replaced with a serviceable slide prior to further flight.

B. Repeat the inspection procedures of paragraph A., above, within 18 months after the last leak check inspection performed in accordance with the service bulletin, or later FAA- approved revisions.

C. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office.

D. Upon request of an operator, an FAA Principal Maintenance Inspector, subject to prior approval by the Manager, Seattle Aircraft Certification Office, may adjust the compliance times if the request contains substantiating data to justify the request.

E. Aircraft may be ferried to a base for maintenance in accordance with Sections 21.197 and 21.199 of the Federal Aviation Regulations.

This amendment becomes effective June 28, 1985.