Service difficulty report · Fuel Sys · Boeing 737823

Difficulty date
November 5, 2025
Submitted
November 6, 2025
Operation
Air carrier
Aircraft
N939AN
Make and model
Boeing 737823
Aircraft serial
30083
Aircraft time
69,632 hours, 29,655 cycles
Part
Fuel Sys
Condition
Out Of Balance
Stage of operation
CL
How discovered
O
Nature of condition
J, F
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: ON CLIMB OUT LESS THAN 1000 LBS IN THE CENTER TANK, GOT A FUEL IMBALANCE WITH THE LEFT TANK LOW, FUEL IMBALANCE WAS APPROXIMATELY 1200LBS. (OPEN).