Service Letter SL-550-34| Name | Revision | Lang | Subject | Date |
|---|
| 550-34-22 | | en | Emergency ELECTRICAL - INSPECTION OF UNUSED ELT POWER CIRCUIT LEADS | 01/08/1988 |
| ASL550-34-35 | | en | Mandatory Alert NAVIGATION - STORMSCOPE WIRING INSPECTION/MODIFICATION | 07/15/1998 |
| ASL550-34-43 | | en | Mandatory Alert NAVIGATION - TRANSMITTAL OF HONEYWELL TECHNICAL NEWSLETTER A23-3850-001 | 02/17/2003 |
| SL550-34-4 | | en | WATER LEAKAGE - NOSE RADOME AND AVIONICS J BOX AREA | 07/05/1979 |
| SL550-34-10 | | en | Modification of Battery Charging Card P/N 11745-1 | 05/17/1982 |
| SL550-34-11 | | en | Global Navigation Service Bulletin 0022 - Modification of OEU Interface Board, Switch Setting | 05/17/1982 |
| SL550-34-12 | | en | Fairchild Cockpit Voice Recorder Models A100/A100A/A113 | 05/17/1982 |
| SL550-34-13 | | en | Mandatory Emergency | 07/16/1982 |
| SL550-34-15 | | en | Mandatory Alert Emergency | 07/16/1982 |
| SL550-34-16 | | en | Flight Director - Back Course Limitation | 08/16/1982 |
| SL550-34-19 | | en | Global Navigation Service Bulletin 0024 - Modification of RCU for Washington Reception, Series 3B Systems | 09/01/1982 |
| SL550-34-21 | | en | Sundstrand Data Control, Inc. Service Bulletin No. 12, Doc. No. 012-257-112 and Service Bulletin No. 13, Doc. No. 012-257-113, dated August 26, 1983 | 02/27/1984 |
| SL550-34-24 | | en | Alert Transmittal of Sundstrand Data Letter GIL-No. GPWC-0476-34-1 | 09/02/1988 |
| SL550-34-25 | | en | TRANSMITTAL OF HONEYWELL SERVICE BULLETIN 21-1984-129, REVISION 2 | 10/07/1988 |
| SL550-34-29 | | en | NAVIGATION - ADF ANTENNA SPACER INSTALLATION | 01/04/1993 |
| SL550-34-30 | | en | NAVIGATION - GNS-X NAV MANAGEMENT UNIT COVER REPLACEMENT | 02/01/1993 |
| SL550-34-31 | | en | NAVIGATION - GLOBAL-WULFSBERG GNS-X NAV MANAGEMENT UNIT SOFTWARE UPGRADE | 01/04/1993 |
| SL550-34-36 | | en | NAVIGATION - B-RNAV OPERATION NAVIGATION SYSTEM APPROVAL | 07/27/1998 |
| SL550-34-39 | 1 | en | NAVIGATION - TRANSMITTAL OF MEGGITT AVIONICS SERVICE INFORMATION LETTERS NO. 17 AND 18, SECONDARY FLIGHT DISPLAYS MARK 2 | 12/21/2001 |
| SL550-34-40 | | en | NAVIGATION - TCAS COMPATIBILITY WITH RVSM OPERATIONS | 09/12/2002 |
| SL550-34-52 | | en | Mandatory Alert NAVIGATION - ELEMENTARY SURVEILLANCE TRANSPONDER PRODUCT IMPROVEMENT | 03/17/2006 |
| SL550-34-54 | 1 | en | Mandatory Alert NAVIGATION - UNS-1Esp FMS CAPACITOR UPGRADE | 05/15/2007 |
| SL550-34-55 | | en | Mandatory NAVIGATION - INSPECTION OF THE STANDBY STATIC-SYSTEM PORT DOUBLER | 04/16/2007 |
| SL550-34-58 | | en | NAVIGATION - TRANSMITTAL - HONEYWELL SERVICE INFORMATION LETTER DU-870 DRY OUT PROCEDURES | 06/29/2010 |
| SL550-34-59 | 1 | en | Alert NAVIGATION - SERVICE INFORMATION FROM HONEYWELL | 01/23/2012 |
| SLA550-34-27 | 1 | en | Mandatory Alert NAVIGATION - SAFE FLIGHT ANGLE-OF-ATTACK INDEXER OPERATIONAL TEST: | 10/03/1990 |
