AD/CESSNA 170/37 Amdt 1 - Wing Flap Operating System
1AD/CESSNA 170/37 Amdt 1 - Wing Flap Operating System
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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 170, 172, F172, FR172 and 175 Series Aeroplanes
AD/CESSNA 170/37
Amdt 1
Wing Flap Operating System 6/81
Applicability: All models 172N with S/Nos. 17261445, 17267585 to 17272447 and FR172 with S/Nos. FR1720591 to FR1720655.
All models R172K with S/Nos. R1722000 to R1723127.
Requirement: Modify the wing flap operating system by installing a Cessna P/N 0560037-1 flap follow-up cable clamp and associated hardware in accordance with instructions in Cessna Single Engine Customer Care Service Information Letters SE79-16 and SE79- 16 (Supplement No. 1) and Cessna Service Kit S.K. 172-60A.
Note: FAA AD 80-06-03 Amendment 39-3713 and SB Reims Aviation No. 21 and Bureau Veritas Consigne De Navagabilite 81-46-IMP(A) refer.
Compliance: 1. For aeroplanes which have achieved 1000 hours time in service; unless already accomplished, within 100 hours time in service after 30 June 1981.
- All other aeroplanes; before achieving 1000 hours time in service.
Background: The modification is required to prevent possible sudden unexpected retraction of the left wing flap. This amendment adds aeroplanes of Reims Manufacture to the applicability list.