# SDR YENA2025030300226

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2025
- Submitted: March 3, 2025
- Operation: Air carrier
- Aircraft: [N2039J](https://openairdocs.org/aircraft/N2039J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 09016
- Aircraft time: 16,913 hours, 4,738 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pressure Switch
- Part number: 4501310000
- Part serial: 26961
- Condition: Failed
- Location: Hyd System
- Part time: 283 hours, 67 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025030300226

## Discrepancy

FLT$137, JFK-STI. (AIRCRAFT PERFORMED AN AIR TURN BACK) ' HYD Y ENG 2 PUMP LO PR; REMOVED AND REPLACED #2 ENG HYDRAULIC YELLOW PRESSURE SWITCH 3074 GD IAW AMM 29-13-17 LEAK CHECK AND OPS CHECK GOOD NO MSGS NOTED ON ECAM.'

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