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 172, 175, 180, 182, 185, 206, 207, 208, 210, and 303 Series…
May 12, 2008
Airframe (207)Certain serial numbers: 172S 172S10672–172S10674; 172S 172S10676; 172S 172S10678–172S10680; 172S 172S10682; 172S 172S10683; 172S 172S10685; …. Only with: Applies only to airplanes that have a P/N 2013142-18 alternate static air source selector valve installed after November 19, 2007.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (1)
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.
Reciprocating engine · ring · brokenMay 17, 1995
OIL ANALYSIS SHOWING ALUMINUM HIGH. THEN IRON, NICKEL, CHROME. COMPRESSION GOOD, UNTIL TIME ON ENGINE OVER 600 HOURS AND COMPRESSION DROPPED TO 60/80 ON NR 2 CYLINDER. PULLED CYLINDER, FOUND BROKEN RING TOP COMPRESSION.
From FAA Service Difficulty Reports; matched by N-number and serial number.