# SDR YENA2023121801593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2023
- Submitted: December 18, 2023
- Operation: Air carrier
- Aircraft: [N4073J](https://openairdocs.org/aircraft/N4073J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 11129
- Aircraft time: 3,224 hours, 471 cycles
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Contactor
- Part number: 564CA04A11Y00
- Part serial: 87389
- Condition: Failed
- Location: Hyd Pump
- Part time: 3,216 hours, 466 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023121801593

## Discrepancy

FLT#8318, JFK-BOS. (ETOPS) 'FOUND BLUE ELECTRIC PUMP RUNNING CONTINUOUSLY WHEN P/B SWITCH SET TO "AUTO" POSITION; REMOVED AND REPLACED CONTACTOR (2705GJ) PER TSM 29-12-00-810-810-A, IAW AMM 29-12-55. ALL OPS NORMAL.'

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