# SDR AALA2019122769003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2019
- Submitted: December 28, 2019
- Operation: Air carrier
- Aircraft: [N738US](https://openairdocs.org/aircraft/N738US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1254
- Aircraft time: 52,348 hours, 31,649 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3723
- Condition: No Test
- Location: Emergency Lights
- Part time: 41,620 hours, 25,642 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/AALA2019122769003

## Discrepancy

AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS L/H OVER WING EMERG LIGHT POWER SUPPY UNIT WON'T TEST. REMOVED AND REPLACED L/H OVER WING EMERG LIGHT POWER SUPPY UNIT AND BATTERY, CHECKS GOOD.

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