# SDR DALA2022071204851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2022
- Submitted: July 12, 2022
- Operation: Air carrier
- Aircraft: [N312DN](https://openairdocs.org/aircraft/N312DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7364
- Aircraft time: 14,744 hours, 7,157 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022071204851

## Discrepancy

ON S/C FOUND EMER LT.S OUT AT SEAT ROWS 28,29,33,34,35,38,39. FOUND EMER POWER SUPPLY UNIT (EPSU) 13WL POWER SUPPLY FAULTING IT SELF REF AMM A321 33-51. REPLACED 13WL POWER SUPPLY REF AMM 321 33-51-38-400-001-A TEST GOOD. (LP# 9281383)

---
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.
