Service Bulletin SB-53| Name | Revision | Lang | Subject | Date |
|---|
| SB53-1 | | en | FUSELAGE - COCKPIT FLOORBOARD MODIFICATION | 08/21/1973 |
| SB53-4 | | en | FUSELAGE - NOSE BAGGAGE COMPARTMENT SHELVES ACCESS PANEL INSTALLATION | 05/15/1974 |
| SB53-5 | | en | FUSELAGE - STORAGE RACK INSTALLATION FOR HARD ENGINE COVERS | 06/06/1975 |
| SB53-8 | | en | FUSELAGE - TAILCONE VENT | 07/29/1975 |
| SB53-10 | | en | FUSELAGE - TAILCONE VENT FLAPPER VALVE | 03/01/1977 |
| SB53-13 | 2 | en | Mandatory | 06/28/1985 |
| SB53-14 | | en | NOSE DRIP CAP INSTALLATION | 05/17/1982 |
| SB53-15 | 2 | en | FUSELAGE - TAILCONE BALLAST INSTALLATION | 02/26/1982 |
