# SDR AALA202307248628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2023
- Submitted: July 24, 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: 55,002 hours, 37,757 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 6939
- Condition: No Test
- Location: Zone 200 - Fuse
- Part time: 60,629 hours, 25,730 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/AALA202307248628

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY EXIT SEATS 13, 14, 15 ILLUMINATED WHEN FLIGHT DECK SWITCH IS IN ARMED POSITION. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 12WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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