# SDR AALA2018051749032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2018
- Submitted: May 17, 2018
- Operation: Air carrier
- Aircraft: [N749US](https://openairdocs.org/aircraft/N749US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1313
- Aircraft time: 47,371 hours, 30,099 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3832
- Condition: No Test
- Location: Emergency Lights
- Part time: 53,027 hours, 24,651 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/AALA2018051749032

## Discrepancy

LEFT EMERGENCY POWER SUPPLY UNIT INOPERATIVE.  MAINTENANCE REPLACED THE LEFT AFT EMERGENCY POWER SUPPLY UNIT IAW AMM 33-51-38, AND PERFORMED SATISFACTORY OPS CHECK.

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