# SDR AALA202307281204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2023
- Submitted: July 28, 2023
- Operation: Air carrier
- Aircraft: [N752US](https://openairdocs.org/aircraft/N752US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1319
- Aircraft time: 55,013 hours, 37,766 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 6153
- Condition: Defective
- Location: Zone 200 - Fuse
- Part time: 63,182 hours, 27,272 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202307281204

## Discrepancy

AIRCRAFT WAS GROUNDED: OVERWING AIRCRAFT CENTER AND RIGHT EMERGENCY EXIT LIGHTS FLICKER IN ARMED POSITION.  REPLACED EMERGENCY POWER SUPPLY UNIT 12WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-50-00.

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