What was found
GEAR TEETH SPALLING AT TOOTH ROOT. REPLACED WITH SERVICEABLE PART.
- Difficulty date
- August 21, 2001
- Submitted
- September 4, 2001
- Operation
- General aviation
- Aircraft
- N911HM
- Make and model
- Bolkms BO105S
- Aircraft serial
- S683
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bevel Gear
- Part number
- 4638303001
- Part serial
- 1060
- Condition
- Spalled
- Location
- M/R Gearbox
- Component
- Transmission · 4638001004
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.