# SDR DALA2024121011585

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2024
- Submitted: December 10, 2024
- Operation: Air carrier
- Aircraft: [N356DN](https://openairdocs.org/aircraft/N356DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 8279
- Aircraft time: 19,327 hours, 8,342 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- 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/DALA2024121011585

## Discrepancy

AIRCRAFT 3056, EMERGENCY LIGHTS AT SEAT ROWS 11,12,13 AND 14 INOP. CORRECTIVE ACTION: FOUND UNIT FAULT ON EMERGENCY POWER SUPPLY UNIT FIN# 14WL. REPLACED POWER SUPPLY 14WL. (LP 6615996)

---
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.
