SDR AALA202511128991

Service difficulty report · Fuel Line · Boeing 737823

Difficulty date: November 5, 2025
Submitted: November 12, 2025
Operation: Air carrier
Aircraft: N939AN
Make and model: Boeing 737823
Aircraft serial: 30083
Aircraft time: 69,632 hours, 29,655 cycles
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Fuel Line
Condition: Faulted
Location: Zone 100
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: K

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. REMOVED AND REPLACED FUEL SCAVENGE FLOAT SOV (AALA202511063979). REMOVE AND REPLACED SCAVENGE JET PUMP (AALA202511128743). REMOVE AND REPLACED FUEL TUBE (AALA202511128991). PER CRS # 8DVR209D. OPERATIONAL AND LEAK CHECK GOOD, PER W/O 2538R1857.