- Difficulty date
- July 22, 2022
- Submitted
- July 22, 2022
- Operation
- Air carrier
- Make and model
- Bell 407
- Aircraft serial
- 53871
- Aircraft time
- 5,870 hours, 7,059 cycles
- Engine time
- 5,309 cycles
- Part
- Mast
- Part number
- 407040011111
- Part serial
- CY100480
- Condition
- Corroded
- Location
- Main Rotor
- Part time
- 1,587 hours
- 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 INSIDE MAST DURING 12 MONTH INSPECTION
More about the Bell 407