What was found
(CAN) WHILE STATIC WITH BLADES UNTIED THE AIRCRAFT WAS SUBJECTED TO ROTOR WASH FROM A HEAVY HELICOPTER. A PREFLIGHT INSPECTION THE FOLLOWING DAY REVEALED THE MAIN ROTOR DRIVE RING WAS CRACKED.
- Difficulty date
- October 12, 2014
- Submitted
- March 12, 2015
- Operation
- General aviation
- Make and model
- Doug MD900
- Aircraft time
- 1,731 hours
- Engine
- Pwa PW206A
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Drive Ring
- Condition
- Cracked
- Location
- Main Rotor
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.