# SDR AALA202507177880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2025
- Submitted: July 17, 2025
- Operation: Air carrier
- Aircraft: [N927NN](https://openairdocs.org/aircraft/N927NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31171
- Aircraft time: 35,453 hours, 15,446 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Relay
- 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/AALA202507177880

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS THAT MULTIPLE CABIN AND EMERGENCY EXITLIGHTS ARE NOT WORKING. ACCOMPLISHED TROUBLESHOOTING, PER WDM 33-21-11. REMOVED AND REPLACED RELAY R120, PER AMM 20-10-07-201. ACCOMPLISHED OPERATIONAL TEST, PER AMM 33-21-00 OPERATIONAL CHECK GOOD.

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