# SDR AALA202408273578

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2024
- Submitted: August 27, 2024
- Operation: Air carrier
- Aircraft: [N744P](https://openairdocs.org/aircraft/N744P), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1287
- Aircraft time: 60,854 hours, 38,664 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 010058
- Condition: Inoperative
- Location: Zone 200
- Part time: 2,497 hours, 1,632 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/AALA202408273578

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE: INOP EPSU-EMERGENCY POWER SUPPLY UNIT 11WL IN PASSENGER CABIN. REPLACED EPSU-EMERGENCY POWER SUPPLY UNIT 11WL IN PASSENGER CABIN I.A.W AMM33-51-38-000-001-A AND AMM 33-51-38-400-001-APERFORMED OPERATIONAL CHECK OF THE EPSU THRU BITE CHECK IAW AMM ROTABLE PARTS CHANGE WAS INDICATED - 878067533-51-00-710-001-A CHECK OK AND PERFORMED THE INTERFACE AND POWER UP TEST OFTHE CIDS IAW AMM  23-73-00-740-005-A, TEST OK.

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