# SDR CA120409002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft time: 43,549 hours
- Engine: Cfmint CFM565A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Condition: Leaking
- Location: Hyd System
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120409002

## Discrepancy

(CAN) DURING CRUISE, THE FLIGHT CREW RECEIVED A YELLOW HYDRAULIC PRESSURE SYSTEM INDICATION MESSAGE.  AS A PRECAUTION, WHILE TAXIING INTO THE GATE, THE FLIGHT CREW STOPPED SHORT OF THE GATE TO BE TOWED IN.  TROUBLESHOOTING DISCOVERED A LEAK AT THE LOWER PTU MANIFOLD CHECK VALVE.  CHECK VALVE REMOVED, REPLACED FAULTY O-RING AND CHECK VALVE REPLACED.  FUNCTION CHECKS AND LEAKS CHECKS CARRIED OUT.

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