# SDR USAASA02117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2002
- Submitted: February 3, 2003
- Operation: Air carrier
- Aircraft: N101UW
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 0936
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Condition: Discharged
- Location: Cabin
- 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/USAASA02117

## Discrepancy

PHL - THE EMERGENCY LIGHTS FLASH ON AND OFF.  MAINTENANCE REPLACED A BATTERY PACK AND THE 'A' CHANNEL AND 'B' CHANNEL DECODER/ENCODER UNITS, AND PERFORMED A CABIN INTERCOMMUNICATION DATE SYSTEM RESET FOR TROUBLESHOOTING.  MAINTENANCE REPLACED AN EMERGENCY POWER SUPPLY UNIT TO FIX THE PROBLEM.  OPERATIONALLY CHECKED OK.  (M)

---
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.