# SDR ASAA2022102940545

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2022
- Submitted: November 2, 2022
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 26,489 hours, 8,215 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pressure Switch
- Part number: 21C1322
- Condition: Faulted
- Location: Fuel System
- 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/ASAA2022102940545

## Discrepancy

IN LEVEL FLIGHT W/1.6 CTR TANK R CTR FUEL PUMP LOW PRESSURE LIGHT REMAINS ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED RH CENTER FUEL PUMP PRESSURE SWITCH REF B737-900 AMM 28-42-11.

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