# SDR 98ZZZX3055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4503L
- Make and model: Piper PA-31-325
- Registry model: [Piper PA-31-325](https://openairdocs.org/model/piper-pa-31-325) (OpenAirDocs)
- Aircraft serial: 318012031
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 1213HBG310A
- Condition: Failed
- Location: Rt Eng Hydraulic
- Part time: 864 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX3055

## Discrepancy

PILOT CHECKED RIGHT HYDRAULIC PUMP BY PLACING LANDING GEAR HANDLE IN DOWN POSITION.  GEAR HANDLE FAILED TO RETURN TO NEUTRAL IN A REASONABLE TIME INDICATING RT PUMP HAD FAILED.  NO FLUID LOSS WAS DISCOVERED.  CAUSE OF PUMP FAILURE IS UNKNOWN.

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