What was found
(CAN) CUSTOMER REPORTED A POWER ROLLBACK ON THE LT ENGINE. DFDR DATA WAS EVALUATED BY CUSTOMER ENGINEERING AND IT WAS IDENTIFIED AS AN UNCOMMANDED AUTOFEATHER EVENT. THE AUTOFEATHER CONTROL UNIT (AFCU) WAS REPLACED.
- Difficulty date
- February 5, 2013
- Submitted
- September 14, 2015
- Operation
- General aviation
- Make and model
- Aerosp ATR72212A
- Engine
- Pwa PW127
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Power Loss
- Location
- Left
- Stage of operation
- CR
- 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.