# SDR YENA2025122901277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2025
- Submitted: December 29, 2025
- Operation: Air carrier
- Aircraft: [N2151J](https://openairdocs.org/aircraft/N2151J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11336
- Aircraft time: 10,080 hours, 1,843 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pressure Switch
- Part number: 4501310000
- Part serial: 26653
- Condition: Failed
- Location: Hyd Sys
- Part time: 177 hours, 34 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025122901277

## Discrepancy

FLT#363, BOS-UVF. (ETOPS),  ENG 1 HYD PUMP PRESSURE INDICATES ON WITH ZERO PRESSURE AT AGTE ( ECAM HYD PAGE INDICATIONS 7) PUMPS ); REF TSM 29-11-00-810-806-A, FOUND NO FAULTS WITH WIRING. REMOVED AND REPLACED ENG PUMP PRESSURE SW (1074GK) ENG # 1 IAW AMM 29-11-17. OPS CHK & LEAK CHK GOOD.

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