# SDR AALA202511158299

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2025
- Submitted: November 15, 2025
- Operation: Air carrier
- Aircraft: [N951NN](https://openairdocs.org/aircraft/N951NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33327
- Aircraft time: 34,102 hours, 14,132 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Faulty
- 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/AALA202511158299

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY EXIT LIGHT AT ROW 16 WILL NOT TURN OFF. REPLACED M1670 (AALA202511155108) AND M1671 (AALA202511158299) EMERGENCY LIGHTS POWER SUPPLY AND BATTERIES (AALA202511154552), (AALA202511156131). PER AMM 33-51-06. OPERATIONAL CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.