# SDR USAASA01039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2001
- Submitted: August 22, 2001
- Operation: Air carrier
- Aircraft: [N174US](https://openairdocs.org/aircraft/N174US), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 1492
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Condition: Discharged
- Location: Cabin
- Part time: 724 hours
- 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/USAASA01039

## Discrepancy

PHL - THE EMERGENCY LIGHT SYSTEM WILL NOT TEST.  MAINTENANCE REPLACED AN EMERGENCY POWER SUPPLY UNIT.  (M)

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