# SDR AALA202604227186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N809NN](https://openairdocs.org/aircraft/N809NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33519
- Aircraft time: 49,477 hours, 20,919 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pressure Switch
- Part number: 21C1321
- Condition: Failed
- Location: Zone 100
- 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/AALA202604227186

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: NUMBER 2 FORWARD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED IN FLIGHT. REMOVE AND REPLACED NUMBER 2 FORWARD TANK LOW PRESSURE SWITCH. PER AMM 28-42-11. OPS CHECK  GOOD.

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