# SDR AALA202312279358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2023
- Submitted: December 27, 2023
- Operation: Air carrier
- Aircraft: [N903NN](https://openairdocs.org/aircraft/N903NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31153
- Aircraft time: 33,092 hours, 14,048 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202312279358

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: THE RIGHT AFT FUEL PUMP, WHEN TURNED OFF, DOES NOT ACTIVATE THE"LOW PRESSURE " LIGHT WHEN CROSS-FEEDING DURING FLIGHT. PERFORMED OPERATIONAL CHECK OF RIGHT HAND AFT BOOST PUMP. PER AMM 28-22-4. CHECK GOOD. LOW PRESSURE LIGHT ON WHEN PUMP IS OFF.

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