Service difficulty report · Fuel · Boeing 737823

Difficulty date
January 21, 2026
Submitted
January 22, 2026
Operation
Air carrier
Aircraft
N865NN
Make and model
Boeing 737823
Aircraft serial
29554
Aircraft time
44,687 hours, 19,095 cycles
Engine
Cfmint CFM567B242
Part
Fuel
Condition
Out Of Balance
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE NOTICED ENGINE #1 WAS IMBALANCED; EXPECTED FUEL AT DESTINATION WAS INDICATING 11K LBS AND WAS DROPPING FAST TO 10KLBS. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PHX. VERIFIED LEFT HAND FUEL QUANTITY INOPERATIVE. (OPEN).