# SDR EPUA2011112300002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2011
- Submitted: December 2, 2011
- Operation: Air carrier
- Aircraft: [N4112K](https://openairdocs.org/aircraft/N4112K), 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: 318353006
- Engine: Lyc TIO540J2B
- System (JASC): [8120 · Exhaust Turbocharger](https://openairdocs.org/jasc/8120)
- Part: Turbine Wheel
- Condition: Misoverhauled
- Location: Turbocharger
- Component: Turbocharger
- Component part number: TH08A60
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EPUA2011112300002

## Discrepancy

TURBOCHARGER FAILURE OF TURBINE WHEEL ASSY DUE TO INCORRECT ASSEMBLY OF TURBOCHARGER FROM MFG.  WASHER PN 407135-0000 WAS INSTALLED ON THE WRONG SIDE OF BEARING JOURNAL 407134-0000.

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