AD 89-14-07

89-14-07 AEROSPATIALE: Amendment 39-6257.

Applicability: Model ATR42-300 series airplanes, Serial Numbers 003 through 052, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent failure of the emergency exit frame, accomplish the following:

A. Prior to the accumulation of 12,000 landings or within 60 days after the effective date of this AD, whichever occurs later, accomplish modification of the fuselage emergency exit frame in accordance with Aerospatiale Service Bulletin ATR42-53-0024, Revision 2, dated May 16, 1988.

B. 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, Standardization Branch, ANM-113, 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, Standardization Branch, ANM-113.

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 documents from the manufacturer may obtain copies upon request to Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or at the Standardization Branch, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6257, AD 89-14-07) becomes effective on August 7, 1989.