# SDR AU981061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Power Pack
- Part number: WTC21351
- Condition: Failed
- Location: Hydraulic Pump
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU981061

## Discrepancy

(AUS) LANDING GEAR POWER PACK FAULTY.  INVESTIGATION FOUND WORN `O' RING SEALS AND A STICKY TIME DELAY VALVE.  PART TC:  9,639.

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