# SDR USAA2014033100020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2014
- Submitted: March 31, 2014
- Operation: Air carrier
- Aircraft: [N660AW](https://openairdocs.org/aircraft/N660AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1234
- Aircraft time: 50,760 hours, 18,623 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2790
- Condition: Faulty
- Location: Cabin
- Part time: 46,651 hours, 17,219 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2014033100020

## Discrepancy

FOUND LT EMERGENCY POWER SUPPLY UNIT FAULTY.  REPLACED EPSU IAW AMM 33-51-38 PB 401.

---
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.