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AD/DHC-1/42 - Tailplane to Fuselage Pickup Modification
De Havilland DHC-1 (Chipmunk) Series AerDe Havilland DHC-1 (Chipmunk) Series Aeroplanes
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De Havilland DHC-1 (Chipmunk) Series Aeroplanes
| AD/DHC-1/42 | Tailplane to Fuselage Pickup Modification | 16/2011 |
|---|
| Applicability: | All Canadian DHC-1 Chipmunk aircraft serial numbers 1 through 62 and 101 through 190. |
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| Requirement: | Modify the tailplane to fuselage pickups in accordance with De Havilland Aircraft of Canada Limited Technical News Sheet C-30.Note: Transport Canada Directive CF-52-04 refers. |
| Compliance: | Within 30 hours time in service after the effective date unless previously accomplished. |
| This Airworthiness Directive becomes effective on 12 August 2011. | |
| Background: | Cases have been reported of the tailplane rib attachment angles showing signs of cracking. Modification schemes depend on the condition of the attachment angles. |
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Charles Lenarcic
Delegate of the Civil Aviation Safety Authority
5 August 2011