# SDR SWAA2016082955251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2016
- Submitted: August 30, 2016
- Operation: Air carrier
- Aircraft: N739GB
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29275
- Aircraft time: 62,855 hours, 37,051 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Check Valve
- Part number: 20C1445
- Part serial: 9182
- Condition: Obstructed
- Location: Fuel System
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016082955251

## Discrepancy

DIVERSION, IN-FLIGHT SHUTDOWN 15 MINUTES INTO FLIGHT WITH 3000 LBS REMAINING IN CENTER TANK, HAD AN 830 LBS IMBALANCE BETWEEN MAIN TANKS.  NR 1 TANK STILL FULL NR 2 TANK 830 LBS LOWER.  PROGRESS PAGE ARRIVAL FUEL CONTINUED TO DECREASE.  R & R RT CENTER TANK BOOST PUMP CHECK VALVE IAW AMM.

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