COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes
AD/CESSNA 170/35 Flying Control System Turnbuckles 4/80
Applicability: All models 172, 172RG, F172, R172 & FR172 with S/Nos 17268484 to 17273184, 172RG0001 to 172RG0013, F17201551 to F17201868, F17201890 to F17201901, R17202232 to R17203238, FR17200596 to FR17200655.
Requirement: Action in accordance with Cessna SIL No SE80-16. Compliance: Within 100 hours time in service after 30 April 1980.
Background: Some of the AN 155 brass turnbuckles used in the control system may have longitudinal cracks radiating from the turnbuckle end.