Service Bulletin SB-57| Name | Revision | Lang | Subject | Date |
|---|
| SB57-3 | | en | WINGS - CENTER FLAP TRACK, AFT BEARING ROLLER SHAFT REPLACEMENT | 02/12/1973 |
| SB57-7 | | en | WINGS - WING REPLACEMENT | 10/03/1975 |
| SB57-11 | 4 | en | MAIN WING SPAR CAP REINFORCEMENT (WS 37.00) | 12/23/1981 |
| SB57-12 | 2 | en | WINGS - AIRPLANE CONFIGURATION UPDATE | 05/22/1989 |
