# SDR GTIA2023020636936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2023
- Submitted: February 6, 2023
- Operation: Air carrier
- Aircraft: [N902NK](https://openairdocs.org/aircraft/N902NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 6907
- Aircraft time: 19,525 hours, 8,458 cycles
- System (JASC): [2900 · Hydraulic Power System](https://openairdocs.org/jasc/2900)
- Part: Pump
- Part number: 4501310000
- Part serial: 13785
- Condition: Low Pressure
- Location: Engine 1
- Part time: 19,525 hours, 8,458 cycles
- Stage of operation: DE
- How discovered: V
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2023020636936

## Discrepancy

GREEN ENG 31 PUMP LO PRESS DURING DESCENT-PERFORMED TSM 29-11-00-810-804-A. R/R ENG PUMP PRESSURE SWITCH IAW AMM 29-11-17-000-802 AND 29-11-400-802-A.OPS CHECK GOOD.

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