What was found
DURING CLIMB, THE ENGINE EXPERIENCED UNCOMMANDED TORQUE FLUCTUATIONS AND THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED AN INTERMITTENTLY FAULTY AUTOFEATHER UNIT DUE TO A CRACKED INTERNAL CIRCUIT BOARD.
- Difficulty date
- October 30, 2005
- Submitted
- June 6, 2006
- Operation
- General aviation
- Make and model
- Aerosp ATR72212A
- Engine
- Pwa PW127
- System (JASC)
- 6123 · Propeller Feathering/Reversing
- Part
- Circuit Board
- Condition
- Cracked
- Location
- Autofeather
- Component
- Autofeather
- Component part number
- 30048000018
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.