# SDR CALA2016072595583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2016
- Submitted: July 25, 2016
- Operation: Air carrier
- Aircraft: [N847UA](https://openairdocs.org/aircraft/N847UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1627
- Aircraft time: 48,479 hours, 20,371 cycles
- Engine: Iae V2522A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- 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/CALA2016072595583

## Discrepancy

IAW CHECK CARD 4-2020 STEP 34 EMERGENY LIGHT BATTERY CAP TEST,  RECEIVED A MESSAGE EPSU ARMED-ON FWD L   REPLACED LEFT OVERWING EPSU IAW MM33-51-38, OPS 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.