What was found
(CAN) AFTER REMOVAL OF MAST ASSY, TECH DISCOVERED SPALLING AT THE LOWER MAST JOURNAL AREA. MAST WILL BE SENT TO MFG FOR FURTHER INVESTIGATION.
- Difficulty date
- July 1, 2014
- Submitted
- March 12, 2015
- Operation
- General aviation
- Make and model
- Bell 407
- Engine
- Allsn 250C47B
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Journal
- Condition
- Spalled
- Location
- Mast
- Component
- Mast Assy · Bell
- Component part number
- 407040038111
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.