What was found
(CAN) NEW TAIL ROTOR COUPLING FROM MANUFACTURER PART NUMBER 204040604005S HAS SCORING MARKS IN VALLEY BETWEEN TEETH. MACHINE MARKS THREE COUPLINGS WITH SAME DEFECT
- Difficulty date
- March 8, 2019
- Submitted
- August 14, 2020
- Operation
- General aviation
- Make and model
- Bell 212
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Coupling
- Part number
- 204040604005S
- Condition
- Damaged
- Location
- Tail Rotor
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.