What was found
MAKING METAL. FOUND RING GEAR CRACKED AT ALIGNMENT BOLT HOLE FORWARD POSITION. ALSO FOUND COLLECTOR WHEEL, SUNGEAR , 2 EACH INTERMEDIATE SHAFT, 5 EACH PLANETARY GEARS SPALLING. REPAIRED TRANSMISSION AND INSTALLED SERVICEABLE PARTS.
- Difficulty date
- November 6, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N911HM
- Make and model
- Bolkms BO105S
- Aircraft serial
- S683
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Ring Gear
- Part number
- 4619304033
- Condition
- Cracked
- Location
- M/R Gearbox
- Component
- 4638001004
- 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.