AD/CESSNA 188/22 - Wing Front and Rear Spar
1AD/CESSNA 188/22 - Wing Front and Rear Spar
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Cessna 188 (Agwagon) Series Aeroplanes
AD/CESSNA 188/22 Wing Front and Rear Spar 5/74
Applicability: All models prior to 1972 Agwagon model S/Nos. 188-0001 to 188-00832. Requirement: 1. Inspect for cracks in:
(a) the front spar at the splice area near the strut pick-up;
(b) the front spar at the fuselage attachment area;
(c) the rear spar at the fuselage attachment area;
in accordance with Cessna Service Bulletin No. SE 74-4.
- Inspect for cracks in the upper flange of the rear spar channel at the outer end of the attachment fitting.
The inspections shall be carried out using a magnifying glass of at least 4X magnification or alternatively a device such as a “Syte Ade” may be employed.
Compliance: 1. For unmodified aircraft - at intervals not exceeding 100 hours time in service.
2. For aircraft modified to Rex Drawing No. RA491, Issue 4 \- At intervals not exceeding 150 hours time in service.
3. For aircraft with doubler P/N 1620058.1 installed or service kit called out in SL No. SE 74-4 \- at intervals not exceeding 500 hours time in service, after 31 May 1974.