# SDR AALA202601262750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: January 26, 2026
- Operation: Air carrier
- Aircraft: [N471AN](https://openairdocs.org/aircraft/N471AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 12262
- Aircraft time: 4,435 hours, 1,254 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 186393
- Condition: No Test
- Location: Zone 200
- Part time: 4,434 hours, 1,253 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/AALA202601262750

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT ON SEATS 1, 2, 5, 9, 10, 14 AND 15 ARE INOPERATIVE. MAINTENANCE FOUND FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 10WL AND REPLACED IT PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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