Service difficulty report · Fuel Sys · Boeing 75724APF

Difficulty date
December 16, 2025
Submitted
December 17, 2025
Operation
Air carrier
Aircraft
N441UP
Make and model
Boeing 75724APF
Aircraft serial
27386
Aircraft time
32,376 hours, 20,939 cycles
Part
Fuel Sys
Condition
Out Of Balance
Stage of operation
CR
How discovered
O
Nature of condition
F, J
Precautionary procedure
O

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

What was found

FUEL CONFIG EICAS MSG 2.5 HOURS INTO FLIGHT. LEFT TANK 2,000LBS HIGHER THAN RIGHT TANK. AIRCRAFT OK FOR SERVICE PER AMM 28-21-00-702-001. PERFORMED CROSSFEED LEAK CHECK PER AMM 28-22-02. NO LEAKS FOUND. OBSERVED PRESSURE REFUELING AND NO LEAKS FOUND AND NO FUEL MIGRATION 1 HR AFTER REFUEL. NO EXTERNAL LEAKS NOTED.

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