# SDR AALA202508296166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2025
- Submitted: August 29, 2025
- Operation: Air carrier
- Aircraft: [N927UW](https://openairdocs.org/aircraft/N927UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6625
- Aircraft time: 33,509 hours, 13,597 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Shorted
- Location: Zone 200
- Part time: 10,378 hours, 4,590 cycles
- 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/AALA202508296166

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING MULTIPLE FAULT MESSAGES FOR EMERGENCY POWER SUPPLY UNIT 10WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE FOUND THE L1 DOOR SLIDE LIGHTING SHORTED, REPLACED THE SLIDE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER TASK 26L00025010 WITH NO FAULTS NOTED.

---
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.