What was found
ONE EACH DISK, P/N 9440791-1, WORN BEYOND LIMITS AND ONE EACH FLANGE, P/N 209-040-177-101, WORN BEYOND LIMITS. SCRAPPED DISK AND FLANGE AND REPLACED WITH SERVICEABLE PARTS.
- Difficulty date
- February 16, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N2149S
- Make and model
- Bell 412
- Aircraft serial
- 36002
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Quill Assy
- Part number
- 412040123101
- Condition
- Worn
- Location
- Transmission
- Part time
- 4,600 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.