- Difficulty date
- September 24, 2024
- Submitted
- October 10, 2025
- Operation
- General aviation
- Make and model
- Robsin R22BETAII
- Aircraft serial
- 4165
- Aircraft time
- 10,539 hours
- Engine
- Lyc O360J2A
- Engine time
- 9,744 hours
- Part
- Sheave
- Part number
- A1701
- Condition
- Worn
- Location
- Main Drive Train
- Part time
- 1,739 hours
- Component
- Clutch Shaft · Robsin · R22BETAII
- Component part number
- A1661
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPPER ANODIZED SHEAVE WORN. REQUIRES REPLACEMENT OF CLUTCH SHAFT ASSEMBLY.