What was found
UNABLE TO BALANCE TAIL ROTOR ASSEMBLY. PITTING ON TRUNNION SPLINES. THRUST PLUGS WORN EXCESSIVELY. HOUSING BOLTS DID NOT OBTAIN .025 INCH OF THREAD ENGAGEMENT.
- Difficulty date
- January 22, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N2770Y
- Make and model
- Bell 206L1
- Aircraft serial
- 45291
- System (JASC)
- 6420 · Tail Rotor Head
- Part
- Hub
- Part number
- 206011810013
- Condition
- Unbalanced
- Location
- Tail Rotor
- Part time
- 1,778 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.