06/22/21
Message Overview:
Message Name:
THE PACK INLET FLOW SENSOR INDICATION ON THE PMAT IS OUT OF TOLERANCE
| Identifier: | 215OBS010 |
| Effectivity: | All |
| System: | Air Conditioning |
| Associated CAS: | None |
| System Description: | 21-51-00 |
| Schematic Diagram: | 21-51-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | None |
Message Description:
ACSC receives an incorrect pressure signal from a pack inlet flow sensor.
Possible Causes:
- Left Pack Inlet Pressure Sensor (Mt66)
- Right Pack Inlet Pressure Sensor (Mt109)
- Interface Wiring Between Left Pack Inlet Pressure Sensor and Air-Conditioning System Controller (ACSC) 1
- Interface Wiring Between Right Pack Inlet Pressure Sensor and Air-Conditioning System Controller (ACSC) 2
- Junction Box 5 (JB5)
- Junction Box 6 (JB6)
- Air-Conditioning System Controller (ACSC) 1
- Air-Conditioning System Controller (ACSC) 2
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Notice To Operators (NTO): None
Flight Operation Notifications Manual (FONM): None
Quick Links:
| Operational Test of the Inertial Reference System (IRS) Cooling Fans | AMM 21-54-01-710-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Inertial Reference System (IRS) Cooling Fans | AMM 21-54-01-000-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Inertial Reference System (IRS) Cooling Fans | AMM 21-54-01-400-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Connect Electrical Power to the Aircraft | AMM 24-00-00-861-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Remove the Electrical Power from the Aircraft | AMM 24-00-00-861-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Opening of Non-Thermal Circuit Breakers | AMM 24-00-00-863-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Closing of Non-Thermal Circuit Breakers | AMM 24-00-00-863-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Electrical/Electronic Safety Precautions | AMM 24-00-00-910-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Secondary-Power Distribution Assemblies | AMM 24-62-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Secondary-Power Distribution Assemblies | AMM 24-62-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Operational Test of the Secondary-Power Distribution Assembly 3 | AMM 24-62-01-710-803 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the External Avionics-Compartment Access-Panel | AMM 52-45-11-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the External Avionics-Compartment Access-Panel | AMM 52-45-11-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Safety Precautions-Maintenance Practices | SPM 20-00-01 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Perform the following CAIMS troubleshooting:
- [ACSC1-A] LH PCK IN FLOW SENS /WRG (2161414ECS)
- [ACSC1-B] LH PCK IN FLOW SENS /WRG (2162414ECS)
- [ACSC2-A] RH PCK IN FLOW SENS /WRG (2163414ECS)
- [ACSC2-B] RH PCK IN FLOW SENS /WRG (2164414ECS)
- Do close out.