# SDR AALA202602273263

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2026
- Submitted: February 28, 2026
- Operation: Air carrier
- Aircraft: [N800NN](https://openairdocs.org/aircraft/N800NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29564
- Aircraft time: 49,362 hours, 20,941 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pressure Switch
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: NR
- 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/AALA202602273263

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CREW REPORTED RIGHT AFT FUEL BOOST PUMP LOW PRESSURE LIGHT WILL NOT ILLUMINATE. DUE TO RIGHT AFT FUEL BOOST PUMP LOW PRESS WARNING LIGHT INOPERATIVE AND LEFT AFT BOOST PUMP IS INOPERATIVE. ACCOMPLISHED FIM 28-22-00-810-821. FOUND LOW PRESSURE SWITCH LIGHT NOT OPERATING CORRECTLY. REMOVED AND REPLACED AFT BOOST PUMP LOW PRESSURE SWITCH. PER AMM 28-42-11. OPS CHECKED GOOD.

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