What was found
PITTING CORROSION ON SPLINES ON MAST POLE BEYOND LIMITS.
- Difficulty date
- April 5, 2012
- Submitted
- April 5, 2012
- Operation
- Air carrier
- Aircraft
- N269AL
- Make and model
- Bell 206L4
- Aircraft serial
- 52284
- Aircraft time
- 8,884 hours
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Mast
- Part number
- 206040535109
- Part serial
- N878
- Condition
- Corroded
- Location
- Main Rotor
- Part time
- 4,432 hours
- Component
- Mast Assy · Bell
- Component part number
- 206040014107
- 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.