Service Letter SE-73| Name | Revision | Lang | Subject | Date |
|---|
| SE73-2 | | en | | 01/12/1973 |
| SE73-3 | | en | PROPELLER HUB AND BLADE REPLACEMENT PROGRAM | 02/09/1973 |
| SE73-7 | | en | TURBOCHARGER MODIFICATION | 03/23/1973 |
| SE73-11 | | en | | 05/04/1973 |
| SE73-13 | | en | CARBURETOR DRAIN PLUG INSPECTION | 05/23/1973 |
| SE73-17 | | en | HYDRAULIC MOTOR AND CHEMICAL SPRAY PUMP COUPLING IMPROVEMENT | 07/06/1973 |
| SE73-20 | | en | WING STRUT ATTACHMENT STRAP REPLACEMENT | 08/17/1973 |
| SE73-20 | Supplement 1 | en | WING STRUT ATTACHMENT STRAP REPLACEMENT (Revised Serial Block for Model 182) | 11/02/1973 |
| SE73-21 | | en | AIR FILTER INSPECTION AND MAINTENANCE | 08/17/1973 |
| SE73-23 | | en | | 08/17/1973 |
| SE73-24 | | en | CONVERSION OF MILITARY MODEL T-41 TO COMMERCIAL MODEL 172 AND B-172 | 08/24/1973 |
| SE73-25 | | en | ELEVATOR TRIM TAB ACTUATING SYSTEM MAINTENANCE | 09/14/1973 |
| SE73-27 | #1 | en | PISTON PIN INSPECTION AND REPLACEMENT | 03/15/1974 |
| SE73-29 | | en | | 09/28/1973 |
| SE73-29 | 1 | en | 172 Cowling Improvements; Shoulder Harness - Seat Belt Connection | 03/29/1996 |
| SE73-33 | | en | | 11/09/1973 |
| SE73-37 | | en | AFT FUSELAGE BULKHEAD ASSEMBLY INSPECTION | 11/16/1973 |
| SE73-37 | 1 | en | AFT FUSELAGE BULKHEAD ASSEMBLY INSPECTION | 02/22/1974 |
| SE73-38 | | en | CORROSION PREVENTION | 11/30/1973 |
| SE73-39 | | en | IGNITION SWITCH RELUBRICATION | 12/07/1973 |
| SE73-41 | | en | Emergency EMERGENCY LOCATOR TRANSMITTER INSTALLATIONS | 12/28/1973 |
