# SDR SWAA2026051295146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2026
- Submitted: May 12, 2026
- Operation: Air carrier
- Aircraft: [N8639B](https://openairdocs.org/aircraft/N8639B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 60086
- Aircraft time: 39,504 hours, 19,287 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/SWAA2026051295146

## Discrepancy

EMERGENCY EXIT LIGHTS L1188 AND L1189 ARE INOPERATIVE.   REMOVED AND REPLACED M1695 POWER SUPPLY AND PERFORMED GOOD FUNCTIONAL CHECK ON LIGHTS L1188 AND L1189 IAW AMM 33-51-06-960-806.;

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