AD 86-04-06

86-04-06 FOKKER B.V.: Amendment 39-5230. Applies to Model F27 airplanes, serial numbers 10105 to 10635 inclusive, certificated in any category. Compliance is required within 180 days after the effective date of this AD, unless already accomplished:

A. To prevent restricted aileron movement or jamming, modify the aileron inboard hinge bolt installations in accordance with Fokker Service Bulletin F27/57-58, dated May 16, 1983.

B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Standardization Branch, ANM-113, 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 for the accomplishment of the modification required by this AD.

All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Manager, Maintenance and Engineering, Fokker B.V., Product Support, P.O. Box 7600, 11172J Schiphol Oost, The Netherlands. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective March 14, 1986.