# SDR AU970629

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: MX446203
- Condition: Failed
- Location: Hydraulic Pump
- Stage of operation: CL
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU970629

## Discrepancy

(AUS) NO1 ENGINE DRIVEN HYDRAULIC PUMP FAILED - INVESTIGATION FOUND THAT ALL THE PISTONS HAD SEPARATED FROM THE PISTON SHOES - THE YOKE CONTROL SPRING BROKEN - PUMP CONTAMINATED WITH METAL - LOSS OF HYDRAULIC FLUID THROUGH DRIVE SHAFT SEAL

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