# SDR CALA2015081194197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2015
- Submitted: August 11, 2015
- Operation: Air carrier
- Aircraft: [N837UA](https://openairdocs.org/aircraft/N837UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1474
- Aircraft time: 48,099 hours, 20,028 cycles
- Engine: Iae V2522A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015081194197

## Discrepancy

EPSU EXT LOAD, EMER RT FAULT ON EMER LIGHT TEST.  REPLACED EMER POWER SUPPLY & BATTERY IAW MM 33-51-38-401 & MM 33-51-38-402 & RELAMPED AFT ASSEMBLY FWD BULB ON OVERWING LIGHT.  OPERATIONS NORMAL.

---
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.