Service Bulletin SB-650-21| Name | Revision | Lang | Subject | Date |
|---|
| SB650-21-10 | | en | AIR CONDITIONING - HYDRAULIC FAN HOSE REPLACEMENT | 07/15/1985 |
| SB650-21-11 | | en | AIR CONDITIONING - HYDRAULIC FAN CASE DRAIN LINE MODIFICATION | 09/16/1985 |
| SB650-21-17 | 1 | en | AIR CONDITIONING - MUFFLER INSTALLATION IMPROVEMENT | 02/15/1985 |
| SB 650-21-20 | | en | AIR CONDITIONING - COCKPIT AUXILIARY HEATER INSULATION REPLACEMENT | 04/22/1987 |
| SB650-21-25 | 1 | en | Mandatory AIR CONDITIONING - ENVIRONMENTAL CONTROL UNIT HYDRAULIC FAN LINE REPLACEMENT AND CLAMPING | 06/13/1988 |
| SB650-21-26 | 1 | en | AIR CONDITIONING - BAGGAGE COMPARTMENT HEATER CONNECTOR INSTALLATION AND AIRFLOW SWITCH REMOVAL | 11/30/1989 |
| SB650-21-32 | | en | AIR CONDITIONING - DEFOG BLOWER VOLTAGE REGULATOR CAPACITOR INSTALLATION | 07/11/1990 |
| SB650-21-33 | 1 | en | Mandatory AIR CONDITIONING - CABIN TEMPERATURE SENSOR MOTOR RESISTOR INSTALLATION | 04/17/1990 |
| SB650-21-34 | | en | AIR CONDITIONING - ENVIRONMENTAL CONTROL UNIT ASPIRATOR HOSE REPLACEMENT | 03/15/1991 |
| SB650-21-42 | 1 | en | AIR CONDITIONING - AUXILIARY HEATER OVERHEAT SWITCH REPLACEMENT | 05/05/1994 |
| SB650-21-44 | 1 | en | AIR CONDITIONING - WEMAC BLOWER DRAIN INSTALLATION | 04/11/2006 |
| SB650-21-45 | | en | AIR CONDITIONING - CABIN ALTITUDE BAROMETRIC SWITCH IMPROVEMENT | 03/02/2009 |
