What was found
(CAN) SEVERAL SMALL SLIVERS AND FLAKES OF METAL FOUND IN MAIN GEARBOX OIL FILTER. OIL ANALYSIS INDICATE BEARING MATERIAL FAILURE. GEARBOX REPLACED.
- Difficulty date
- March 28, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Bolkms BO105S
- Engine
- Allsn 250C20B
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 1249
- Condition
- Failed
- Location
- Gearbox
- Part time
- 3,883 hours
- Component
- Zahnrad Fabr · 4638001001
- 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.