# SDR CA070424001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2007
- Submitted: June 7, 2007
- Operation: General aviation
- Make and model: Airbus A310-304
- Registry model: [Airbus A310-304](https://openairdocs.org/model/airbus-industrie-a310-304) (OpenAirDocs)
- Aircraft time: 45,016 hours
- Engine: Ge CF680C2*
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Ptu
- Part number: 571191
- Part serial: MX492197
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA070424001

## Discrepancy

(CAN) DURING FLIGHT, CREW NOTICED LOSS OF GREEN SYSTEM HYDRAULIC FLUID. FLIGHT DIVERTED TO MAIN MAINTENANCE BASE FOR INVESTIGATION. DURING INVESTIGATION, THE GREEN/YELLOW SYSTEM PTU WAS FOUND LEAKING AT THE CHECK VALVE DUE TO A DAMAGED O RING. PTU UNIT WAS REPLACED AND SYSTEM TESTS SERVICEABLE.  (TC NR 20070424001)

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