# SDR SWAA2026051903841

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2026
- Submitted: May 20, 2026
- Operation: Air carrier
- Aircraft: [N8674B](https://openairdocs.org/aircraft/N8674B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36734
- Aircraft time: 34,834 hours, 17,217 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: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026051903841

## Discrepancy

EMERGENCY EXIT SIGN ROW 13DEF WILL NOT ILLUMINATE.   R & R ROW 13DEF EMERGENCY EXIT SIGN POWER SUPPLY IAW AMM 33-51-06 AND ROW 13DEF EMERGENCY EXIT SIGN ASSY PER AMM 33-51-01.

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