AD 83-24-06

83-24-06 CANADAIR: Amendment 39-4777. Applies to all Canadair Model CL-44D4 and CL-44J airplanes certificated in all categories. Compliance required as indicated unless previously accomplished. To ensure structural integrity of the upper main landing gear actuator eye attachment pins, accomplish the following within the next 100 hours time in service or 25 landings, whichever occurs first, after the effective date of this airworthiness directive (AD), unless accomplished within the last 1100 hours time in service or 275 landings, and thereafter at intervals not to exceed 1200 hours time in service or 300 landings, whichever occurs first.

1. Inspect both left and right upper main landing gear actuator eye attachment pins, P/N 44-87815, for cracks in accordance with paragraph 2.1 of Canadair Service Information Circular (SIC) No. 441-CL44, dated June 8, 1981.

2. Replace cracked parts with new or serviceable parts of the same part number prior to further flight.

3. Alternate means of compliance with the AD which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

4. Aircraft may be ferried to a base for maintenance in accordance with Sections 21.197 and 21.199 of the Federal Aviation Regulations.

5. Upon request of the operator, an FAA Maintenance Inspector, subject to prior approval of the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, may adjust the repetitive inspection intervals specified in this AD to permit compliance at an established inspection period of an operator, if the request contains substantiating data to justify the adjustment period.

This amendment becomes effective December 20, 1983.