# SDR AALA2019112709010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2019
- Submitted: November 27, 2019
- Operation: Air carrier
- Aircraft: [N149AN](https://openairdocs.org/aircraft/N149AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6812
- Aircraft time: 12,501 hours, 4,818 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 156797
- Condition: Inoperative
- Location: Emergency Lights
- 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/AALA2019112709010

## Discrepancy

AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS WHILE PERFORMING JOB CARD 26L00025012, FOUND EPSU BAT FAULT 11WL. REMOVED AND REPLACED EPSU AT 11WL IAW AMM 33-51-38. OPS CHECK GOOD.

---
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.