# SDR 2016FA0000485

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2016
- Submitted: October 11, 2016
- Operation: General aviation
- Aircraft: [N853BP](https://openairdocs.org/aircraft/N853BP), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 3595
- Aircraft time: 6,717 hours, 8,115 cycles
- Engine: Tmeca ARRIEL2B
- Engine time: 6,767 hours, 4,196 cycles
- System (JASC): [6710 · Main Rotor Control](https://openairdocs.org/jasc/6710)
- Part: Mixing Unit
- Part number: 350A2702500401
- Condition: Misinstalled
- Location: Main Rotor
- 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/2016FA0000485

## Discrepancy

MAIN ROTOR FLIGHT CONTROL MIXING UNIT HAS BLIND RIVET FASTENERS IN USE WHERE THE ANTICIPATOR CONTROL ARM ATTACHES THE MIXING UNIT.

---
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.