What was found
DURING CLIMB, THE CREW NOTICED THE NR 1 ENGINE WAS HAVING TORQUE FLUCTUATIONS AND SURGES. THE CREW ELECTED TO RETURN TO DEPARTURE. THE AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED PROPELLER OVERSPEED GOVERNOR. OPS CHECKED GOOD.
- Difficulty date
- December 5, 2016
- Submitted
- December 8, 2016
- Operation
- Air carrier
- Aircraft
- N801FX
- Make and model
- Aerosp ATR72212
- Aircraft serial
- 338
- Aircraft time
- 35,663 hours, 39,604 cycles
- System (JASC)
- 6120 · Propeller Controlling System
- Part
- Ovrspeed Limiter
- Part number
- 8210161C
- Part serial
- 2483604
- Condition
- Failed
- Location
- Propeller
- Part time
- 4,653 hours, 4,058 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.