# SDR AALA202504016347

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2025
- Submitted: April 1, 2025
- Operation: Air carrier
- Aircraft: [N910NN](https://openairdocs.org/aircraft/N910NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31160
- Aircraft time: 36,504 hours, 15,939 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Impeller
- Part number: 607551005
- Part serial: 081252704
- Condition: Faulted
- Location: Fuel Pump
- Part time: 13,613 hours, 6,465 cycles
- Stage of operation: DE
- 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/AALA202504016347

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: JUST PRIOR TO TOP OF DESCENT, THE NUMBER 2 AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. PRIOR HISTORY EXISTS AND PRESSURE SWITCH RECENTLY REPLACED. TROUBLESHOOTING PERFORMED PER FIM 28-22-00-810-805 UP TO STEP E1, NO FAULTS NOTED, REQUIRES FURTHER TROUBLESHOOTING.   REMOVE AND REPLACED IMPELLER PUMP AFT NUMBER 2. PER AMM 28-22-41. OPERTIONAL CHECK GOOD.

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