# SDR 2008FA0000581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2008
- Submitted: September 8, 2008
- Operation: General aviation
- Aircraft: [N27663](https://openairdocs.org/aircraft/N27663), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 317852094
- Engine: Lyc LTIO540J2BD
- Propeller: Hartzl HCE3YR2A
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Vernatherm
- Part number: SL53E19600
- Part serial: 34972
- Condition: Failed
- Part time: 392 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008FA0000581

## Discrepancy

THIS VERNATHERM HAD A SHAFT AND NUT ASSY THAT WAS SECURED WITH A ROLL PIN.  THE SHAFT FAILED AT ROLLPIN.  THE NUT, SHAFT PIECE AT ROLLPIN TRAVELED THRU THE OIL GALLY AND LODGED AT A FITTING.  HIGH OIL TEMP ALERTED US TO THIS FAILURE, OIL PRESSURE WAS NORMAL.(K)

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