# SDR CA070508005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2007
- Submitted: June 7, 2007
- 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)
- Aircraft time: 7,754 hours
- Engine: Lyc TIO540J2BD
- Propeller: Hartzl HCE3YR2A
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Housing
- Part number: 268028
- Condition: Cracked
- Location: Hyd Pump
- Stage of operation: TX
- How discovered: V
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA070508005

## Discrepancy

(CAN) 2ND MAINTENANCE GROUND RUN WAS COMPLETED ON AIRCRAFT AND ENGINES SHUTDOWN. HAD LUNCH AND RETURNED TO A/C AND OBSERVED POOL OF HYDRAULIC FLUID BENEATH THE RT ENGINE. POST INSPECTION OF HYD PUMP REVEALED A CRACKED HOUSING.  REPLACED THE HYDRAULIC PUMP.   (TC NR 20070508005)

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