Service Letter SL-525-72| Name | Revision | Lang | Subject | Date |
|---|
| 525-72-09 | | en | Mandatory ENGINE - TRANSMITTAL OF WILLIAMS-ROLLS SERVICE BULLETIN FJ44-72-052, ENGINE - IP COMPRESSOR ROTOR - REPLACE | 09/20/2002 |
| SL525-72-04 | | en | Mandatory ENGINE - TRANSMITTAL OF WILLIAMS ROLLS SERVICE BULLETIN FJ44-72-27, GEARBOX ASSEMBLY - INSPECTION OF BREATHER PORT MAGNETIC CARBON SEAL AND REWORK OF BREATHER TUBE | 03/24/1995 |
| SL525-72-05 | | en | Mandatory Alert ENGINES - TRANSMITTAL OF WILLIAMS INTERNATIONAL ALERT SERVICE BULLETINS FJ44-A72-30, ENGINE - HP TURBINE DISK - INSPECT, AND FJ44-A72-31, ENGINE - HP TURBINE DISK - REPLACE | 01/24/1997 |
| SL525-72-06 | | en | Mandatory ENGINE - TRANSMITTAL OF WILLIAMS ROLLS SERVICE LETTER SL44-72-72, GEARBOX CARBON SEALS - MAINTENANCE REQUIREMENTS | 08/21/1998 |
| SL525-72-07 | 1 | en | Alert ENGINE - TRANSMITTAL OF WILLIAMS-ROLLS SERVICE BULLETIN FJ44-A72-38, ENGINE- HP TURBINE DISK - REVISE APPROVED SERVICE LIFE | 06/13/2005 |
| SL525-72-08 | | en | Mandatory ENGINE - TRANSMITTAL OF WILLIAMS ROLLS SERVICE BULLETIN FJ44-72-050, ENGINE - DIFFUSER HOLLOW BOLT FUEL DRAIN - INSTALL | 06/20/2002 |
