# SDR HEEA0013980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N8199J](https://openairdocs.org/aircraft/N8199J), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S826
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Wheel
- Part number: 23001967
- Condition: Defective
- Location: 3rd Stage
- Part time: 1,738 hours
- Component: 23038241
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA0013980

## Discrepancy

ENGINE REMOVED DUE TO TURBINE 1750 HOUR INSPECTION.  UPON INSPECTION OF TURBINE PARTS NOTED:  SEVERE SULFIDATION ON ALL NR3 WHEEL BLADES. SCRAPPED NR3 WHEEL AND REPLACED WITH SERVICEABLE PART.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.