# SDR AWXA9900231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N621AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 053
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NAS16126
- Condition: Cut
- Location: Green Hyd Sys
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA9900231

## Discrepancy

AFTER TAKEOFF AT 11000 AGL, GREEN HYDRAULIC SYSTEM FAILED DUE LOW QUANTITY.  EMERGENCY EQUIPMENT WAS DISPATCHED TO RUNWAY.  FOUND SAMPLING VALVE O-RING CUT AT GREEN SYSTEM MANIFOLD ASSEMBLY.  REPLACED O-RING, SERVICED SYSTEM, RAN ENGINE, LEAK CHECK GOOD.  ALL HYD PUMPS CHECK GOOD.

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