What was found
MAIN ROTOR TRANSMISSION SHAFT HAS FRETTING ON FLANGE.
- Difficulty date
- July 1, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N5759N
- Make and model
- Bell 412
- Aircraft serial
- 33002
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Shaft
- Part number
- 204040324005
- Condition
- Fretting
- Location
- Transmission
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.