# SDR AALA20161227008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2016
- Submitted: December 27, 2016
- Operation: Air carrier
- Aircraft: [N970AN](https://openairdocs.org/aircraft/N970AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30096
- Aircraft time: 46,941 hours, 19,151 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Float Valve
- Part number: 2910024101
- Condition: Faulty
- Location: Fuel Cell
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161227008

## Discrepancy

DURING CRUISE, UNWANTED TRANSFER OF FUEL FROM THE CENTER TANK TO THE NR 1 LEFT MAIN TANK.  AIRCRAFT WAS GROUNDED.  REMOVED AND REPLACED LEFT MAIN FUEL SCAVENGE FLOAT OPERATED SHUT OFF VALVE IAW AMM 28-22-16.  OPERATIONAL AND LEAK CHECK GOOD.

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