- Difficulty date
- May 9, 2016
- Submitted
- May 9, 2016
- Operation
- General aviation
- Filed by
- AC2R685K
Chevron USA, Production Company Aviation Maintenan - Aircraft
- N139CN
- Make and model
- Agusta AW139
- Aircraft serial
- 41014
- Aircraft time
- 6,147 hours
- Part
- Damper
- Part number
- 3G6220V01352
- Part serial
- MCR5676
- Condition
- Weak
- Location
- Main Rotor
- Part time
- 1,693 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEAK M/R DAMPER CAUSED ENGINE TORQUE MISCOMPARE. CAUSED BY VIBRATION.
More about the Agusta AW139