# SDR 2008FA0000246

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2008
- Submitted: April 11, 2008
- Operation: General aviation
- Aircraft: N476EB
- Make and model: Piper PA-31-325
- Registry model: [Piper PA-31-325](https://openairdocs.org/model/piper-pa-31-325) (OpenAirDocs)
- Aircraft serial: 317612059
- Aircraft time: 7,882 hours
- Engine: Lyc TIO540*
- Engine time: 1,400 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Damaged
- Location: Nr 5
- Part time: 1,400 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008FA0000246

## Discrepancy

NR 5 CYL EXHAUST VALVE BROKEN, SENDING THE HEAD OF THE VALVE THROUGH THE EXHAUST AND LODGING ITSELF INTO THE TURBOCHARGER, EXTENSIVE DAMAGE TO THE CYLINDER, PISTON, AND TURBO.

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