AD 82-06-01

82-06-01 CANADAIR: Amendment 39-4337. Applies to Canadair Model CL-600-1A11 airplanes, Serial Numbers (S/N) 1005-1008 and 1010-1018, certificated in all categories.

Compliance required as indicated.

To ensure structural integrity of the windshield lower sill members, accomplish the following, unless already accomplished:

1. Prior to the accumulation of 600 hours time in service or within 25 hours time in service after the effective date of this AD, whichever occurs later, reinforce the sill members as described in paragraph 2 of Canadair Alert Service Bulletin A600-0035 dated May 28, 1981.

2. Airplanes with Canadair Modification Summary 600-680, Issue NC, installed are exempt from this AD.

3. 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, 9010 East Marginal Way South, Seattle, Washington 98108.

4. Airplanes may beflown in accordance with FAR 21.197 to a maintenance base for the accomplishment of the modification 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 16, 1982.