What was found
SPALLING ON BALLS AND OUTER RACE OF BEARING. THIS BEARING IS USED IN SEVERAL DIFFERENT APPLICATIONS IN THE DRIVE TRAIN OF BELL HELICOPTERS.
- Difficulty date
- March 13, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N600MA
- Make and model
- Bell UH1B
- Aircraft serial
- 6413970
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 2040401431
- Condition
- Spalled
- Location
- Transmission
- Component
- 204040016005
- 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.