These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
Cessna Aircraft Company (Cessna) Model 172 Airplanes Modified by Supplemental Type…
May 26, 2011
Airframe (172G)Only with: Modified by STC SA01303WI (installation of TAE 125-01 or TAE 125-02-99 engine).
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (2)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
Landing gear · support · crackedJun 13, 1996
WHILE CHANGING A BROKEN U-BOLT, NOTICED POSSIBLE CRACK ON MLG OUTBOARD SUPPORT AT FORWARD HOLE WHERE U-BOLT ATTACHES. CRACK CONFIRMED BY NDT. SUSPECT CAUSE WAS BROKEN U-BOLT CONCENTRATING STRESSES AT FORWARD HOLE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Landing gear · u-bolt · brokenJun 13, 1996
DURING 100-HOUR INSPECTION, FOUND RIGHT MLG U-BOLT BROKEN. UPON INSPECTION OF BOLT, SUBMITTER STATED IT APPEARS A CRACK HAD BEEN EVIDENT AND HAD FINALLY FAILED POSSIBLY DUE TO A HARD LANDING.
From FAA Service Difficulty Reports; matched by N-number and serial number.