# SDR AWXA200201038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2002
- Submitted: October 23, 2002
- Operation: Air carrier
- Aircraft: N637AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 099
- Aircraft time: 39,946 hours, 18,203 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 2338
- Condition: Discharged
- Location: Cabin
- Part time: 30,356 hours, 12,890 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/AWXA200201038

## Discrepancy

DURING INSPECTION EMERGENCY LIGHT TEST FAILED FROM FLIGHT ATTENDANTS PANEL "ESPU R COM". MAINTENANCE REMOVED AND REPLACED THE RT EMERGENCY POWER SUPPLY UNIT (12WL) AND BATTERY PACK IAW AMM 33-51-38, SYSTEM OPERATIONALLY CHECKED GOOD.

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