Service difficulty report · Fuel Sys · Boeing 7378

Difficulty date
July 2, 2024
Submitted
July 8, 2024
Operation
Air carrier
Aircraft
N8719Q
Make and model
Boeing 7378
Aircraft serial
42572
Aircraft time
12,371 hours, 5,931 cycles
Part
Fuel Sys
Condition
Out Of Balance
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT EXPERIENCED 1000# FUEL IMBALANCE. #1 FUEL TANK 1000#S LESS THAN RIGHT. LANDED 3780# LEFT AND 4590# RIGHT. IMBALANCE OCCURRED 4060# LEFT AND 5090# RIGHT. ALL ENGINE INSTRUMENTS NORMAL. FUEL FLOWS MATCHED.<[01] ACCOMPLISHED ENGINE CROSS FEED VALVE FUNCTIONAL TEST REF AMM 28-22-00. VALVE OPERATES CORRECTLY AS DESCRIBED. INSPECTED AIRCRAFT FOR SIGNS OF FUEL LEAKS; NONE NOTED. REF IFIM TASK 28-10-00; CHECKED OMF EXISTING FAULTS FOR FAULTS RELATED TO 28 FQIS; NO FAULTS LOGGED. VERIFIED FUEL QUANTITY ON BOARD USING TANK STICK METHOD; FUEL QUANTITY FOUND TO BE ACCURATE. NO FURTHER DISCREPANCIES NOTED. AIRCRAFT OK FOR SERVICE.;[02] ACCOMPLISHED ENGINE CROSS FEED VALVE FUNCTIONAL TEST REF AMM 28-22-00. VALVE OPERATES CORRECTLY AS DESCRIBED. INSPECTED AIRCRAFT FOR SIGNS OF FUEL LEAKS; NONE NOTED. RAN BOTH ENGINES TO CHECK FOR FUEL LEAKS; NONE NOTED. REF IFIM TASK 28-10-00; CHECKED OMF EXISTING FAULTS FOR FAULTS RELATED TO 28 FQIS; NO FAULTS LOGGED. VERIFIED FUEL QUANTITY ON BOARD USING TANK STICK METHOD; FUEL QUANTITY FOUND TO BE ACCURATE. NO FURTHER DISCREPANCIES NOTED. AIRCRAFT OK FOR SERVICE.<BR><BR>CORRECTION UPDATED TO ENTER 'RAN BOTH ENGINES TO CHECK FOR FUEL LEAKS; NONE NOTED.';[03] C/W

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