# SDR CA120906009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Drive Shaft
- Part number: 206040387101
- Condition: Cracked
- Location: Tail Rotor
- Part time: 9,678 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120906009

## Discrepancy

(CAN) MECHANIC DISCOVERED A CRACKED AFT ADAPTER ON A NR 4 T/R DRIVESHAFT ASSY.  CRACK IS VISIBLE FROM RIVET TO INBD END.

---
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.