# SDR CALA2025070906409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2025
- Submitted: July 10, 2025
- Operation: Air carrier
- Aircraft: [N27519](https://openairdocs.org/aircraft/N27519), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43459
- Aircraft time: 15,091 hours, 5,048 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025070906409

## Discrepancy

EMERGENCY LIGHTS OPERATIONAL CHECK, EMERGENCY PATH LIGHTING INOP IN ROWS 1-5.  R&R POWER SUPPLY #2816 PER AMM 33-51-06-960-803.  OPS CHECK GOOD.

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