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(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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04/13/21

Message Overview:

Message Name:

FUEL FILTER BLOCKAGE
(Service Message)

Message Code:

B3-305063

Associated CAS Message:

None

Reporting LRU: L ENG FUEL FILT
System Description: 73-30-00
Schematic Diagram: 73-21-00 Sh. 3
Wiring Diagram: None

Message Description:

Left engine fuel filter impending bypass.

[MCID 0102]
Fuel impending by-pass fault.
A blockage of the fuel filter was sensed.

Possible Causes:

  • Fuel Filter Module
  • Contaminated Fuel Tanks
  • Contaminated Fuel Lines

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Fuel Contamination Check AMM 05-51-37-210-801
Pressure Refueling AMM 12-11-01-650-801
Suction Defueling AMM 12-11-09-650-801
Cleaning of the Fuel Tank AMM 28-10-00-160-801
Drain Water from the Fuel Tank AMM 28-10-00-680-801
General Visual Inspection of the Fuel Storage System AMM 28-10-00-210-801
Component Location AMM 73-10-00-992-801
Removal of the Fuel Filter Element AMM 73-10-05-000-802
Installation of the Fuel Filter Element AMM 73-10-05-400-802
Fuel Feed and Transfer Rigid Lines and Ducts on Wings AMM 91-30-03-993-801
Fuel Feed Rigid Lines and Ducts on Fuselage AMM 91-30-05-993-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02
Electrical Connectors - Maintenance Practice - ALL SPM 20-20-00-02

Troubleshooting Recommendations:

  1. MCID 0102 fault present, troubleshoot using the following steps for aircraft and engine fault isolation with reference to the Light Engine Maintenance Manual TASK 72-00-00-810-002.

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