SDR CA110614004

Service difficulty report · Governor

Difficulty date: June 8, 2011
Submitted: September 9, 2011
Operation: General aviation
Engine: Pwa PT6A67D
System (JASC): 6122 · Propeller Governor
Part: Governor
Condition: Malfunctioned
Location: Propeller
Stage of operation: TO
How discovered: O
Nature of condition: F
Precautionary procedure: C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ABORTED TAKEOFF DURING TAKEOFF ROLL, AS THE PILOT ADVANCED THE POWER LEVER, THE ENGINE ACCELERATED AND WITH A TARGET PROPELLER SPEED OF 1700 RPM SET, IT WENT TO 1803 RPM AND THE SPEED COULD NOT BE CONTROLLED. THE T/O WAS ABORTED. TROUBLESHOOTING IS FOCUSING ON A FAULTY PROPELLER GOVERNOR. RECOMMENDS THE SDR BE CLOSED ON THE BASIS OF THE FOLLOWING INFORMATION.