What was found
SUBMITTED TO REVEAL THE SYSTEMIC AND PREMATURE FAILURE RATE OF THE TAIL ROTOR SHAFT BUSHINGS DUE TO EXCESSIVE PLAY AND WORN BEYOND LIMITS.
- Difficulty date
- June 11, 2021
- Submitted
- June 11, 2021
- Operation
- General aviation
- Make and model
- Bolkms BK117C2
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Bushing
- Part number
- 1053180202
- Condition
- Out Of Limits
- Location
- T/R Shaft
- 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.