# SDR AALA202112091086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2021
- Submitted: December 9, 2021
- Operation: Air carrier
- Aircraft: [N948NN](https://openairdocs.org/aircraft/N948NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31189
- Aircraft time: 22,902 hours, 8,940 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112091086

## Discrepancy

AIRCRAFT WAS GROUNDED: SEAT MOUNTED LIGHTS AT ROWS 18 - 25L TURNED OFF PRIOR TO 15 MINUTES DURING EMERGENCY LIGHTS FUNCTIONAL TEST. REPLACED EMERGENCY LIGHT'S POWER SUPPLY ASSEMBLY. AT SEAT 23A PER AMM 33-51-06.

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