# SDR USAA920081595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2008
- Submitted: September 10, 2008
- Operation: Air carrier
- Aircraft: N633AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 82
- Aircraft time: 61,055 hours, 27,280 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 457
- Condition: Discharged
- Location: Cabin
- Part time: 58,701 hours, 26,383 cycles
- 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/USAA920081595

## Discrepancy

LOG PAGE 4436163 FLT NR 605 PHX EEL EMERGENCY LIGHT TEST FAILS BATTERY FORWARD LT.  COMM FWD L MSG ON CIDS.  MX R&R THE POWER SUPPLY UNIT AT FORWARD LT POSITION.  EMERGENCY LIGHT SYSTEM TESTS 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, except the copies of manufacturers’ service documents, which belong to their rights holders.
