# SDR AALA202503170268

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2025
- Submitted: March 17, 2025
- Operation: Air carrier
- Aircraft: [N842NN](https://openairdocs.org/aircraft/N842NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31099
- Aircraft time: 43,819 hours, 18,553 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pump
- Part number: 607551005
- Part serial: 031044910
- Condition: Inoperative
- Location: Zone 500
- Part time: 13,289 hours, 6,197 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202503170268

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LEFT AFT MAIN FUEL PUMP LIGHT CAME ON INFLIGHT WHEN TOTAL FUEL IN LEFT TANK HIT APPROXIMATELY 5000 LBS. DURING TROUBLESHOOTING, PER FIM 28-22-00-810-803, FOUND LIGHT INDICATION TO BE OPERATIONAL. LEFT AFT BOOST PUMP DID NOT OPERATE NORMAL.  REMOVE AND REPLACED LEFT AFT FUEL PUMP. PER AMM 28-22-41. OPERTIONAL AND LEAK CHECK GOOD.

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