Service difficulty report · Transfer Sys · Boeing 74744AF

Difficulty date
May 11, 2026
Submitted
May 12, 2026
Operation
Air carrier
Aircraft
N572UP
Make and model
Boeing 74744AF
Aircraft serial
35669
Aircraft time
64,787 hours, 10,263 cycles
Part
Transfer Sys
Condition
Malfunctioned
Location
Fuel Sys
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

AFTER LEVEL OFF ENG 3 FUEL INDICATED 2,000LBS LESS THAN ENG 2. WE BALANCED THE FUEL MANUALLY BUT HAD TO CONTINUE TO BALANCE THE FUEL THE ENTIRE FLIGHT. SUSPECT ENG 3 PUMPS ARE STRONGER THAN ENG 2 PUMPS DEFERRED IAW EO-97441.

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