What was found
WEAK M/R DAMPER CAUSED ENGINE TORQUE MISCOMPARE. CAUSED BY VIBRATION.
- Difficulty date
- May 9, 2016
- Submitted
- May 9, 2016
- Operation
- General aviation
- Filed by
- AC2R685K
Chevron USA, Production Company Aviation Maintenan - Aircraft
- N639NA
- Make and model
- Agusta AW139
- Aircraft serial
- 41326
- Aircraft time
- 2,565 hours
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Damper
- Part number
- 3G6220V01352
- Part serial
- 2591
- Condition
- Weak
- Location
- Main Rotor
- Part time
- 1,460 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.