# SDR AALA201903199004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2019
- Submitted: March 20, 2019
- Operation: Air carrier
- Aircraft: [N986AN](https://openairdocs.org/aircraft/N986AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7046
- Aircraft time: 8,785 hours, 3,269 cycles
- System (JASC): [2917 · Hydraulic Pressure Regulator, Main](https://openairdocs.org/jasc/2917)
- Part: Pressure Switch
- Part number: 4502310000
- Condition: Malfunctioned
- Location: Hyd System
- 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/AALA201903199004

## Discrepancy

A HYD Y NR 2 ENGINE PUMP LOW PRESSURE ECAM OCCURRED AFTER TAKEOFF.  RETURNED AND LANDED.  THE AIRCRAFT WAS GROUNDED.  MAINTENANCE TROUBLESHOT THE SYSTEM AND REPLACED THE RT ENGINE YELLOW SYS PRESSURE SWITCH IAW AMM 29-13-17.

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