What was found
(AUS) MAIN TRANSMISSION BEARING INNER RACE SPLIT WITH HEAVY BRINNELLING EVIDENT. METAL CONTAMINATION OF TRANSMISSION OIL SYSTEM.
- Difficulty date
- January 18, 2002
- Submitted
- March 4, 2002
- Operation
- Air carrier
- Make and model
- Hughes 369HS
- Engine
- Allsn 250C18
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 369A51983
- Condition
- Cracked
- Location
- M/R Gearbox
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.