- Difficulty date
- December 30, 2010
- Submitted
- December 30, 2010
- Operation
- Air carrier
- Make and model
- Bell 407
- Aircraft serial
- 53374
- Aircraft time
- 10,986 hours
- Engine
- Allsn 250C47B
- Part
- Pinion Gear
- Part number
- 406040095101
- Part serial
- AFS12270
- Condition
- Cracked
- Location
- Transmission
- Component
- Transmission · Bell
- Component part number
- 407040006107FM1
- Stage of operation
- IN
- How discovered
- E
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS CRACKS ON INNER SURFACE WHERE ROLLER SET RIDES.
More about the Bell 407