# SDR AALA202203228186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2022
- Submitted: March 22, 2022
- Operation: Air carrier
- Aircraft: [N909NN](https://openairdocs.org/aircraft/N909NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31159
- Aircraft time: 27,919 hours, 11,630 cycles
- System (JASC): [2823 · Fuel Selector/Shut-Off Valve](https://openairdocs.org/jasc/2823)
- Part: Module
- Condition: None
- Location: Zone 200 - Fuse
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202203228186

## Discrepancy

AIRCRAFT WAS GROUNDED: LEFT SPAR VALVE CLOSED LIGHT ILLUMINATED IN FLIGHT. ENGINE STILL RUNS. LIGHT FINALLY WENT OUT ON ITS OWN. REPLACED P5-2 FUEL SYSTEM MODULE PER AMM 28-22-43. ACCOMPLISHED SATISFACTORY # 1 ENGINE RUNS PER AMM 71-00-00.

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