# SDR AALA202307189579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2023
- Submitted: July 18, 2023
- Operation: Air carrier
- Aircraft: [N721UW](https://openairdocs.org/aircraft/N721UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1095
- Aircraft time: 62,679 hours, 36,779 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3435
- Condition: No Test
- Location: Zone 200 - Fuse
- Part time: 48,309 hours, 29,213 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/AALA202307189579

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUUPLY UNIT 10WL DOES NOT WORK CORRECTLY. REPLACED  EMERGENCY POWER SUUPLY UNIT 10WL (AALA202307189579) AND BATTERY (AALA202307181213).

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