What was found
ELASTOMERIC PORTION OF BEARING COMPLETELY DEBONDED FROM BASE. FOUND AT ROUTINE INSPECTION. BEARING IS ONE OF A BATCH OF DEFECTIVE BEARINGS MANUFACTURED BEFORE 1998. RECOMMEND THAT BEARINGS BE BONDED WITH BETTER MATERIALS OR ADHESIVE.
- Difficulty date
- August 28, 2002
- Submitted
- September 19, 2002
- Operation
- Air carrier
- Aircraft
- N407JR
- Make and model
- Bell 407
- Aircraft serial
- 53245
- Engine
- Allsn 250C47B
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Bearing
- Part number
- 407310102101
- Part serial
- 4181
- Condition
- Separated
- Location
- Main Rotor
- 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.