# SDR AALA202308248104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2023
- Submitted: August 24, 2023
- Operation: Air carrier
- Aircraft: [N177XF](https://openairdocs.org/aircraft/N177XF), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 2836
- Aircraft time: 56,089 hours, 25,694 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 007427
- Condition: No Test
- Location: Zone 200 - Fuse
- Part time: 56,088 hours, 25,694 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/AALA202308248104

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST EMERGENCY POWER SUPPLY UNIT 13WL AFT LEFT FAILED. REPLACED EMERGENCY POWER SUPPLY UNIT 13WL PER AMM 33-51-38-400-001-A AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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