# SDR DALA2026021401045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2026
- Submitted: February 14, 2026
- Operation: Air carrier
- Aircraft: [N534DT](https://openairdocs.org/aircraft/N534DT), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11357
- Aircraft time: 11,647 hours, 2,878 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/DALA2026021401045

## Discrepancy

ROW 27 EMERGENCY LIGHT INOP. (AISLE UNDERSEAT LIGHT).   REPLACED EMERGENCY POWR SUPPLY ABOVE SEAT 29C PER A321 AMM 33-55. CHKS NORMAL. (LP 8449782)

---
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.
