02/03/21
Message Overview:
Message Name:
L EQPT RACK OVERHEAT
Message Code:
B3-007091
Associated CAS:
| Reporting LRU: | L RACK OVERHEAT |
| System Description: | 21-61-00 |
| Schematic Diagram: | None |
| Wiring Diagram: | None |
Message Description:
The left equipment rack ambient temperature has been detected above the maximum allowed limit considering the avionics cooling system status.
Possible Causes:
- Left Equipment Rack Low Pressure Duct
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Fault Confirmation Procedure:
- Message# = 1
- Fault Logged = AIR,TAXI,GND
- Status = OVERHEAT
- Message Type = Fault Message
- {Term Definitions}
- IAS1A-61 XX 353 00 EXCT XXXX-XTXX XXXX-XXXX XXXX-XXXX 353A: 27; L EQUIPMENT RACK OVERHEAT
- IAS2A-66 XX 353 10 EXCT XXXX-XTXX XXXX-XXXX XXXX-XXXX 353A: 27; L EQUIPMENT RACK OVERHEAT
Quick Links:
| Removal of the Rack Outlet Flexible-Hose | AMM 21-23-21-000-801 |
| Installation of the Rack Outlet Flexible-Hose | AMM 21-23-21-400-801 |
| Standard Practices - Replace Wiring: | SPM 20-12-00-02 |
| Standard Practices - Repair Wiring | SPM 20-12-10-02 |
Troubleshooting Recommendations:
- The left equipment rack ambient temperature has been detected above the maximum allowed limit considering the avionics cooling system status.
- Check the low pressure duct of the left equipment rack.