What was found
(CAN) GEARBOX RECEIVED FROM A CUSTOMER IN THE USA. RT INPUT SPLIT INNER RACE BEARING PEELING/SPALLING. METAL CONTAMINATION CAUSED DAMAGE TO OTHER INTERNAL BEARINGS.
- Difficulty date
- April 1, 2003
- Submitted
- May 27, 2003
- Operation
- Air carrier
- Make and model
- Bolkms BO105CBS
- Engine
- Allsn 250C20B
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 4638302023
- Condition
- Spalled
- Location
- M/R Gearbox
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.