AD 82-18-03

82-18-03 CANADAIR: Amendment 39-4442. Applies to Canadair Model CL-600-1A11 airplanes, serial numbers 1002 and subsequent, certificated in all categories.

Compliance is required within the next 50 hours time in service. To ensure that the breakout forces of the two rudder anti-jam mechanisms (Part Number 600-90450) are within acceptable limits, accomplish the following if not already accomplished:

1. Measure the anti-jam mechanism breakout forces and re-rig, if necessary, in accordance with Canadair Alert Service Bulletin A600-0030, Revision 1, dated November 10, 1981.

2. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Mountain Region.

3. 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 inspections and/or modifications required by this AD.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective September 1, 1982.