# SDR 2014FA0000057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2014
- Submitted: February 6, 2014
- Operation: General aviation
- Aircraft: VTPH1
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53212
- Engine: Allsn 250C47B
- Engine time: 7,284 hours, 7,919 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Shaft
- Part number: 23038136
- Part serial: WN51157
- Condition: Cracked
- Location: Turbine Assembly
- Part time: 1,208 hours, 1,181 cycles
- Component: Turbine, Rroyce, M250C47B
- Component part number: 23063354
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2014FA0000057

## Discrepancy

DUE TO METAL GENERATION AND ABNORMAL SOUND ON SHUTDOWN.   A CRACK WAS FOUND ON PT OUTER SHAFT.

---
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.