# SDR USAASA04022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2004
- Submitted: April 22, 2004
- Operation: Air carrier
- Aircraft: N728UW
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1155
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Condition: Will Not Test
- Location: Emergency Light
- 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/USAASA04022

## Discrepancy

PIT - THE EMERGENCY LIGHT SYSTEM WOULD NOT TEST.  MAINTENANCE REPLACED THE MID CABIN, RIGHT EMERGENCY POWER SUPPLY UNIT.  OPERATIONALLY CHECKS OK.  (M)

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