# SDR SWAA2017120418178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2017
- Submitted: December 4, 2017
- Operation: Air carrier
- Aircraft: [N241WN](https://openairdocs.org/aircraft/N241WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32504
- Aircraft time: 40,859 hours, 24,002 cycles
- System (JASC): [2824 · Fuel Transfer Valve](https://openairdocs.org/jasc/2824)
- Part: Actuator
- Part number: MA20A2027
- Part serial: AA75522A
- Condition: Faulty
- Location: Fuel System
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2017120418178

## Discrepancy

WITH CENTER TANK PUMPS FUELING, NR 1 FUEL TANK DEVELOPED AT 500LBS IMBALANCE WITH NR 2. X FEED WAS OPENED, NR 1 FUEL PUMPS TURNED OFF, NR 1 TANK CONTINUED TO FEED VERY SLOWLY, 100LBS OVER 1 HOUR.  R&R CROSS/FUEL FEED ACTUATOR PER MM.

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