Service difficulty report · Mast · Bell 407

Difficulty date
May 23, 2021
Submitted
May 25, 2021
Operation
Air carrier
Aircraft
N417AM
Make and model
Bell 407
Aircraft serial
54446
Aircraft time
2,780 hours, 19,977 cycles
Part
Mast
Part number
407040038123R
Part serial
N1297
Condition
Corroded
Location
Main Rotor
Part time
1,831 cycles
Component
Mast Assembly · Bell
Component part number
407040011111
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.