- Difficulty date
- May 27, 2011
- Submitted
- May 27, 2011
- Operation
- Air carrier
- Make and model
- Bell 407
- Aircraft serial
- 53211
- Aircraft time
- 14,491 hours
- Part
- Mast
- Part number
- 407040038111
- Part serial
- N463
- Condition
- Corroded
- Location
- Main Rotor
- Part time
- 1,796 hours, 8,577 cycles
- 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.
What was found
CORROSION FOUND IN AREA OF TUNGSTEN CARBIDE WHERE MAIN ROTOR LOWER CONE CLAMPS.
More about the Bell 407