# SDR CALA2026032514826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2026
- Submitted: March 25, 2026
- Operation: Air carrier
- Aircraft: [N14230](https://openairdocs.org/aircraft/N14230), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28794
- Aircraft time: 81,100 hours, 30,442 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Shutoff Valve
- Part number: 2670136
- Part serial: 17329
- Condition: Faulty
- Location: Zone 500
- Part time: 186 hours, 90 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026032514826

## Discrepancy

FUEL LEAK, LT WING, LT TANK OVERFILLED, LT FUEL VALVE WILL NOT CLOSE. TRANSFERED 600 LBS OF FUEL OUT OF LT TANK, TO CENTER. WITH LT TANK CLOSED, TRIED TO FUEL CENTER & LT TANK IS STILL TAKING FUEL, PUSHED MANUAL  POPPED SEVERAL TIMES, NO HELP, PERFORMED T/S & ATTEMPTED TO SHIFT FUEL FROM TANK 1 TO CENTER. NOTED A 800 LBS DIFFERANCE BTWN FUEL INDIATION IN FLT DECK TO INDICATOR ON WING.  FUEL JETTISON FROM LT WING OVERFLOW OCCURRED.  SUGGEST ACFT DEFUEL TO LOWER TANK LEVELS FOR T/S. IAW AMM 28-26-00-650-802.  WHEN PROFORMING T/S NOTICED THE LT FUEL SHUTOFF VALVE STUCK IN OPEN POSTION, CLEANED SHUTOFF VALVE BUT ISSUE STILL CONTINE,  R & R LT FUEL SHUTOFF VALVE, OPS CK GOOD, WHILE PRESSURE FUELLING VALVE SHUTOFF AUTOMATICLLY AT 8400 POUNDS. IAW FIM 28-21 TASK 801.  REF AMM 28-21-51.

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