# SDR SWAA2016111409681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2016
- Submitted: November 15, 2016
- Operation: Air carrier
- Aircraft: [N279WN](https://openairdocs.org/aircraft/N279WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32532
- Aircraft time: 33,668 hours, 19,817 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pressure Switch
- Part number: 21C1321
- Condition: Failed
- Location: Fuel System
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016111409681

## Discrepancy

AIR TURNBACK, ON CLIMB THROUGH FL 280 NR 1 FUEL BOOST PUMP FORWARD LIGHT ILLUMINATED STEADY UNTIL OFF AT FL320.  R&R NR 1 FORWARD FUEL BOOST PUMP PRESSURE SWITCH IAW AMM.

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