What was found
PILOTS EXPERIENCED AN UNUSUAL COLLECTIVE DROP. UPON INSPECTION IT WAS FOUND THAT THE SPINDLE BEARINGS IN ONE MAIN ROTOR BLADE WERE BRINELLED.
- Difficulty date
- March 16, 2026
- Submitted
- March 29, 2026
- Operation
- General aviation
- Filed by
- 8HBR698C
Hillsboro Aero Academy LLC - Aircraft
- N8072X
- Make and model
- Robsin R22BETA
- Aircraft serial
- 1493
- Aircraft time
- 14,799 hours
- System (JASC)
- 1810 · Helicopter Vibration Analysis
- Part
- Bearing
- Part number
- A1583
- Part serial
- 3531
- Condition
- Brinelled
- Location
- Spindle
- Part time
- 81 hours
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.