# SDR CALA2017103003872

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2017
- Submitted: October 30, 2017
- Operation: Air carrier
- Aircraft: [N838UA](https://openairdocs.org/aircraft/N838UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1477
- Aircraft time: 53,559 hours, 22,908 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Faulted
- 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/CALA2017103003872

## Discrepancy

DURING 2SVC CHK, FOUND FAULT DURING THE CABIN EMERGENCY LIGHTS OPERATIONAL TEST, SYSTEM FAULT ''EPSU BATTERY FWD LEFT". PERFORMED OPERATIONAL CHECK OF ESS ALL CHECKS NORMAL NO FAULTS FOUND REF AMM 33-51-38.

---
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.