# SDR CALA2017051201380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2017
- Submitted: May 12, 2017
- Operation: Air carrier
- Aircraft: [N460UA](https://openairdocs.org/aircraft/N460UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1248
- Aircraft time: 54,457 hours, 22,917 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/CALA2017051201380

## Discrepancy

AFTER EPSU BITE TEST, THERE IS A EPSU BATTERY FWD L FAULT (10WL) AND EPSU BATTERY EMER L FAULT (11WL). REMOVE AND REPLACED EPSU BATTERY FWD L (10WL) AND EPSU BATTERY EMERGENCY (11WL) IAW- AMM-33-51-38-000 -002-A /33-51-38-400-002-A. PERFORMED OPS TEST REF AMM-33-51-00-710-006, OPS CK 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.