AD 87-05-06

87-05-06 CASA: Amendment 39-5561. Applies to CASA Model C-212 series airplanes listed in CASA Service Bulletin 212-76-04, dated October 23, 1985, certificated in any category. Compliance is required within 11 months after the effective date of this AD. To prevent the partial loss of controllability of the airplane due to an uncontrollable propeller, accomplish the following, unless previously accomplished:

A. Modify the propeller feathering control system in accordance with CASA Service Bulletin 212-76-04, dated October 23, 1985.

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.

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 the appropriate service document from the manufacturer may obtain copies upon request to Construcciones Aeronauticas S.A., Getafe, Madrid, Spain. This document 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 25, 1987.