82-06-09 CANADAIR: Amendment 39-4347. Applies to Canadair CL-600-1A11 airplanes, Serial Numbers 1002 and on, certificated in all categories. To prevent collapse of the landing gear caused by loss of the side stay strut reaction point, accomplish the following:
1. Within the next 10 hours time in service after the effective date of this AD, unless already accomplished, visually inspect the right and left hand main landing gear side stay attachment pins for cracked or missing locking pins Dowty Rotol part number 200809689. Cracked or missing locking pins must be replaced with MS20392-1C41 Pin, Straight, Headed- Drilled Shank; MS24665-132 Pin, Cotter (Split); and AN960-6L Washer, prior to further flight.
2. Within the next 50 hours time in service after the effective date of this AD, Dowty Rotol part number 20080689 locking pins in the right and left hand main landing gear side stay attachment must be replaced with MS20392-1C41 Pin, Straight, Headed-Drilled Shank; MS24655-132 Pin, Cotter (Split); and AN960-6L Washer. After replacement, these locking pins must be visually inspected for cracks at intervals not to exceed 150 hours time in service.
3. The repetitive inspections of paragraph 2 may be discontinued upon the incorporation of an installation approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Mountain Region.
4. Equivalent inspections and parts must be approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Mountain Region.
5. Airplanes may be flown in accordance with FAR 21.197 to a maintenance base for the accomplishment of the inspections 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). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the addresses listed above. These documents may also be examined at the FAA Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington 98108.
This amendment becomes effective March 22, 1982.