# SDR GTIA2023073137368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2023
- Submitted: August 1, 2023
- Operation: Air carrier
- Aircraft: N524NK
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 2929
- Aircraft time: 59,363 hours, 27,274 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Condition: Leaking
- Location: Hyd Ptu
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2023073137368

## Discrepancy

IN CRUISE HYD Y RSVR LO LVL PTU AND ENG 2 PUMP TURNED OFF PER ECAM YELLOW RSVR QTY IN AMBER RANGE-FOUND PTU CHECK VALVE PLUG CAUSE OF LEAK. R/R PTU CHECK VALVE PLUG O-RING IAW AMM 20-29-00, 20-21-12, AND CMM 29-10-23. LEAK CHECK GOOD. PERF OPS TEST OF PTU IAW AMM 29-23-00. TEST GOOD. A/C OK FOR SVC

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