# SDR AALA202310100974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2023
- Submitted: October 10, 2023
- Operation: Air carrier
- Aircraft: [N751UW](https://openairdocs.org/aircraft/N751UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1317
- Aircraft time: 56,249 hours, 38,288 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3834
- Condition: No Test
- Location: Zone 200 - Fuse
- Part time: 68,217 hours, 27,720 cycles
- 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/AALA202310100974

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: OPERATIONAL TEST OF EMERGENCY LIGHTING SYSTEM FAILED. REMOVED AND REPLACED AFT LEFT EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38.

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