# SDR AALA202603319262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2026
- Submitted: March 31, 2026
- Operation: Air carrier
- Aircraft: [N910NN](https://openairdocs.org/aircraft/N910NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31160
- Aircraft time: 39,747 hours, 17,435 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Transfer Valve
- Condition: Open
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603319262

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: 1000LB FUEL SPLIT AFTER 15MIN OF FLIGHT THE CENTER TANK EMPTY AND RIGHT SIDE WAS LOW; THE SPLIT COULD NOT BE BALANCED AND GOT WORSE AND WORSE. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CLT. FOUND CENTER TANK TRANSFER VALVE SWITCH IN OPEN POSITION. CLOSED VALVE AND EXERCISED DEFUEL VALVE. RAN WING TANK PUMPS FOR 15 MINUTES. NO FUEL TRANSFER NOTED.

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