What was found
(AUS) MAIN TRANSMISSION COOLING FAN DRIVE BEARING FAILED - METAL CONTAMINATION OF TRANSMISSION OIL SYSTEM
- Difficulty date
- May 20, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Bell 47G3B
- Engine
- Lyc TVO435D1A
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 476205521
- Condition
- Failed
- Location
- Main Rotor Trans
- 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.