What was found
MAIN ROTOR HEAD BEARINGS WEAK. REPLACED DAMPER SET 412010145105 ( 2 EA), S/N LK3098 AND LK3109 DUE TO SEPARATING AND DROOP RESTRAINT NAS6607-D21 (4 EA) DUE TO WORN. REPAIRED.
- Difficulty date
- May 21, 2003
- Submitted
- May 27, 2003
- Operation
- General aviation
- Aircraft
- N800Y
- Make and model
- Bell 412
- Aircraft serial
- 33134
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Bearing
- Condition
- Weak
- Location
- M/R Head
- Part time
- 9,289 hours
- Component
- Rotor Head
- Component part number
- 412010100193FM
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.