# SDR CALA2017012300172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2017
- Submitted: January 23, 2017
- Operation: Air carrier
- Aircraft: [N497UA](https://openairdocs.org/aircraft/N497UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1847
- Aircraft time: 47,336 hours, 20,540 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2878
- Condition: Faulted
- 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/CALA2017012300172

## Discrepancy

EPSU UNIT EMERGENCY RT MESSAGE AFTER COMPLETION OF CABIN EMERGENCY LIGHT OPERATIONAL CHECK. REPLACED THE POWER SUPPLY IAW MM 33-51-38, OPS CHECKED GOOD.

---
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.