Service Letter SL-550-72| Name | Revision | Lang | Subject | Date |
|---|
| 550-72-05 | | en | Alert Gas Generator Case - Borescope Inspection JT15D-4, added to Phase 4 Inspection | 11/01/1985 |
| 550-72-13 | | en | Emergency ENGINE - AUTOMATIC FUEL SHUT-OFF CONTROL WIRE ROPE AND LINKAGE (S.I.L. NO.7041 R2) | 02/02/1993 |
| ASL550-72-29 | | en | Mandatory Alert ENGINE - TRANSMITTAL OF P&WC SERVICE DOCUMENTS - INTERCOMPRESSOR BLEED VALVE/SERVO-VALVE-INSPECTION/REPLACEMENT OF | 09/01/2010 |
| SL550-72-04 | | en | JT150-4 Hot Section Inspection | 09/13/1985 |
| SL550-72-07 | | en | Emergency Engine - JT15D Fan Blade Inspection | 05/19/1987 |
| SL550-72-08 | 3 | en | POWER PLANT - LOW COMPRESSOR CASE INSPECTION | 07/31/1989 |
| SL550-72-1 | 3 | en | (JT15D-4) | 09/18/1984 |
| SL550-72-10 | | en | ENGINE - INTRODUCTION OF NEW IMPROVED GAS GENERATOR CASE | 11/09/1990 |
| SL550-72-15 | 1 | en | ENGINE - TRANSMITTAL OF PRATT & WHITNEY CANADA SERVICE BULLETIN No. 7429R2 TURBOFAN ENGINE SINGLE AND DUAL IGNITION SYSTEM COMPONENTS - REPLACEMENT OF | 09/20/2000 |
| SL550-72-18 | | en | ENGINE - TRANSMITTAL OF PRATT & WHITNEY CANADA SERVICE BULLETIN PW500-72-30048, TURBOFAN ENGINE, IGNITION EXCITER - REPLACEMENT OF, IGNITION EXCITER TO IGNITER CABLE - REPLACEMENT OF | 03/20/1998 |
| SL550-72-20 | 1 | en | ENGINES - TRANSMITTAL OF P&WC SERVICE BULLETIN PW500-72-30063, TURBOFAN ENGINE SECOND STAGE HP COMPRESSOR ROTOR CLEARANCE - BORESCOPE INSPECTION | 07/24/1998 |
| SL550-72-26 | | en | ENGINE - TRANSMITTAL OF PRATT & WHITNEY CANADA SERVICE BULLETIN JT15D-72-7603 - NEW BUILD SPECIFICATION NO. 1219 (JT15D-4) - INTRODUCTION OF | 04/28/2008 |
| SL550-72-27 | | en | ENGINE - ENGINE - TRANSMITTAL OF PRATT & WHITNEY CANADA (P&WC) SERVICE BULLETIN JT15D-72-7607, TURBOFAN ENGINE FUEL CONTROL RATIO LEVER - INSPECTION OF | 03/07/2007 |
| SL550-72-28 | | en | Mandatory ENGINE - TRANSMITTAL OF PRATT AND WHITNEY CANADA (P&WC) SERVICE BULLETIN PW500-72-30409, TURBOFAN ENGINE HYDROMECHANICAL FUEL CONTROL UNIT- REPLACEMENT/MODIFICATION OF | 02/09/2010 |
