Service Letter SL-550-27| Name | Revision | Lang | Subject | Date |
|---|
| 550-27-1 | | en | ELEVATOR AFT PUSH ROD ATTACHMENT INSPECTION | 08/31/1979 |
| 550-27-6 | | en | Mandatory Inspection of Elevator and Rudder Trim Tab System | 06/08/1983 |
| SL550-27-08 | | en | FLIGHT CONTROLS - TRIM ACTUATOR CHAIN SPROCKET RETENTION SCREWS | 11/11/1988 |
| SL550-27-2 | | en | FLAP MOISTURE DRAIN HOLE | 01/02/1980 |
| SL550-27-4 | | en | ELEVATOR SECTOR BRACKET RIVET INSPECTION | 10/27/1980 |
| SL550-27-10 | | en | FLIGHT CONTROLS - ELEVATOR ELECTRIC TRIM TAB ACTUATOR MOUNT INSPECTION | 08/01/2002 |
| SL550-27-14 | | en | FLIGHT CONTROLS - RUDDER PEDAL SUPPORT INSPECTION | 10/14/2007 |
