06/24/21
Message Overview:
| DDG Reference: | 73-21-01 |
| Pilot Action (QRH): | ABNORM 1-11 |
| System Description: | 73-20-00 |
| Schematic Diagram: | 76-10-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 71-50-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
Message Description:
Primary FADEC fault in channel A and/or B was detected.
Possible Causes:
- Engine Electronic Controller (EEC)
- Fuel Metering Unit (FMU)
- Data Entry Plug
- Bleed Valve Solenoid Control Block (BVSB)
- Ignition Lead
- Igniter Plug
- Ignition Unit
- P30 tube
- T30 Thermocouple
- Dedicated Generator
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Notice To Operators (NTO):
- NTO 175 - Nuisance cockpit effects and fault messages
- NTO 254 - Nuisance Cockpit Effects and Fault Messages
- NTO 258 - To inform about TCCV fault messages that occur in nuisance
Flight Operation Notifications Manual (FONM): None
NOTE: Make sure the aircraft is not in a condition where a strong wind is blowing from the rear of the engine at engine start. (wind milling). If it is the case, turn the nose of the aircraft into the wind and attempt start again.
Quick Links:
| Removal of the Engine Electronic Controller (EEC) | EMM 73-21-01-000-801 |
| Installation of the Engine Electronic Controller (EEC) | EMM 73-21-01-400-801 |
| Removal of the Bleed Valve Solenoid-Control-Block | EMM 75-31-02-000-801 |
| Installation of the Bleed Valve Solenoid-Control-Block | EMM 75-31-02-400-801 |
| Removal of the Fuel Metering Unit | EMM 73-21-03-000-801 |
| Installation of the Fuel Metering Unit | EMM 73-21-03-400-801 |
| Removal of the Ignition Units | EMM 74-10-01-000-801 |
| Installation of the Ignition Units | EMM 74-10-01-400-801 |
| Removal of the T30 Thermocouples | EMM 73-21-07-000-801 |
| Installation of the T30 Thermocouples | EMM 73-21-07-400-801 |
| Removal of the Data Entry Plug | EMM 73-21-02-000-801 |
| Installation of the Data Entry Plug | EMM 73-21-02-400-801 |
| Removal of the Dedicated Generator | EMM 73-21-04-000-801 |
| Installation of the Dedicated Generator | EMM 73-21-04-000-801 |
| Deactivation of the Thrust Reverser (for Maintenance) | AMM 78-30-00-040-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Activation of the Thrust Reverser (for Maintenance) | AMM 78-30-00-440-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Access to Active Faults | AMM 45-45-00-970-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Access to Stored Faults | AMM 45-45-00-970-803 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair | SPM 20-12-10 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Using the PMAT, access the Active Faults/Stored Faults as per AMM Tasks.
- Select related CAIMS message below: