What was found
ANNULAR BALL BEARING ROUGH. REPLACED WITH 4 EACH NEW UNIT(S) CORRECTED PROBLEM.
- Difficulty date
- May 18, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N420MB
- Make and model
- Bolkms BK117A3
- Aircraft serial
- 7077
- Engine
- Lyc LTS101650B1
- System (JASC)
- 7210 · Turbine Engine Reduction Gear
- Part
- Bearing
- Part number
- 430125301
- Condition
- Rough
- Location
- Red Gearbox
- Part time
- 938 hours
- 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.