What was found
MAKING METAL. MAST BEARING BREAKING DOWN. REMOVED MAST BEARING VISUALLY INSPECTED, EXPOSED COMPONENTS. INSTALLED SWITCH, BEARING, NEW SEAL AND SLEEVE, REASSEMBLED. MAST ASSY REPAIRED IAW BHT 412 CR&O 63. COMPLIED WITH TB 412-98-150
- Difficulty date
- July 17, 2002
- Submitted
- August 12, 2002
- Operation
- Air carrier
- Aircraft
- N418EH
- Make and model
- Bell 412
- Aircraft time
- 16,127 hours
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Mast
- Part number
- 412040366105
- Part serial
- A900023
- Condition
- Making Metal
- Location
- Main Rotor
- Part time
- 1,451 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.