# SDR YENA2021060300349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2021
- Submitted: June 3, 2021
- Operation: Air carrier
- Aircraft: [N570JB](https://openairdocs.org/aircraft/N570JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2099
- Aircraft time: 67,771 hours, 24,192 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Power Supply
- Part number: 321431
- Part serial: 869601
- Condition: Failed
- Location: L2 Door
- Part time: 1,683 hours, 590 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021060300349

## Discrepancy

FLT 40, MDE-FLL. L2 & LEFT OWE DOORS SHOWING OPEN ON DOOR PAGE WHEN CLOSED; FOUND RELAY 12WN NOT SUPPLY HOT BATT BUS WHEN NOT ENERGIZED DRAIN EPSU BATTERY 12WL. REMOVED AND REPLACED EPSU 11WL IAW AMM33-51-38 & REMOVED REPLACED RELAY 12WN IAW ESPM 20-46-50 OPS CK GOOD.

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