What was found
ELASTOMERIC LAMINATES WORN BEYOND SERVICEABLE LIMITS, WHICH IS CAUSING DIFFICULTY WITH BALANCING THE MAIN ROTOR HEAD ASSEMBLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- Difficulty date
- January 27, 2001
- Submitted
- July 5, 2001
- Operation
- Air carrier
- Aircraft
- N901CF
- Make and model
- Doug MD900
- Aircraft serial
- 90000012
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Bearing
- Part number
- 900R3100002105
- Part serial
- 90000012
- Condition
- Worn
- Location
- Main Rotor
- Part time
- 4,396 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.