82-06-04 CANADAIR: Amendment 39-4344. Applies to Model CL-600 airplanes serial numbers 1005, 1007, 1011 thru 1013, and 1016 thru 1019, certificated in all categories. To prevent jamming of the main entry door unlatching system, accomplish the following, unless already accomplished.
1. Within the next 25 hours time in service after the effective date of this AD, perform the door handle operation check and handle adjustments described in paragraph 2 of Canadair Alert Service Bulletin A600-0077 dated July 27, 1981.
2. Replace the existing clear plastic handle guard, Part Number 600-31710-1, with guard assembly, Part Number 600-31772-1, in accordance with paragraph 2 of Canadair Alert Service Bulletin A600-0074 dated July 20, 1981.
3. Ensure that the internal door "EMERGENCY EXIT" placard located to the left hand side of the inner door handle is an approved placard reading as follows:
EMERGENCY EXIT
PULL AND TURN
HANDLE TO "OPEN"
PUSH DOOR
4.Airplanes may be flown in accordance with FAR 21.197 to a maintenance base for accomplishment of the inspection required by this AD.
5. Alternate methods of compliance with this AD may be used when they provide an equivalent level of safety and are approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Mountain Region.
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 March 22, 1982.