| 2020-21-22 | Fuselage; 55, Stabilizers | Dec 7, 2020 | Airframe (185) |
| 2011-10-09 | Cessna Aircraft Company Models 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190… | Jun 17, 2011 | Airframe (185) |
| 2009-16-03 | Teledyne Continental Motors (TCM) IO-520, TSIO-520, and IO-550 Series Reciprocating… | Sep 9, 2009 | Engine (IO 520 SERIES)Only with: SAP investment cast cylinder assemblies P/Ns SA52000-A1, SA52000-A20P, SA52000-A21P, SA52000-A22P, SA52000-A23P, SA55000-A1, or SA55000-A20P installed. |
| 2008-10-02 | Cessna Aircraft Company 172, 175, 180, 182, 185, 206, 207, 208, 210, and 303 Series… | May 12, 2008 | Airframe (185)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. |
| 98-23-02 | Cessna Aircraft Company 180 and 185 Series Airplanes | Dec 22, 1998 | Airframe (185)Only with: Airglas Engineering Company (AECI) Model LW3600-180 or LW3600-180A fixed penetration wheel skis installed per STC SA213AL. |