# SDR CALA2017071702279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2017
- Submitted: July 17, 2017
- Operation: Air carrier
- Aircraft: [N465UA](https://openairdocs.org/aircraft/N465UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1341
- Aircraft time: 53,562 hours, 22,722 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Faulty
- Location: Cabin
- 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/CALA2017071702279

## Discrepancy

EPSU EMERG BATT L AND EPSU EMERG BATT R MESSAGES GENERATED DURING EMERGENCY SYSTEM TEST REMOVED AND REPLACED EPSU BATTERIES AT LT AND RT OVER WING POSITIONS OP TEST PASS REF AMM 33-51-33.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.