What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The pilot intended to perform a maintenance ground run on the company's aircraft. There were no passengers on board. Additionally, there was no intent to fly. The sequence of events area as follows: after starting the r/h engine using a power cart, the ramp person pulled the wheel chocks. The pilot then turned his attention to starting the l/h engine. During the process of starting the left engine, the aircraft started rolling forward and the r/h propeller contacted the power cart. The pilot stated, that he didn't have enough brake pressure applied to the brakes to prevent the aircraft from rolling forward. There was negligible damage to the power cart. The propeller and engine were removed for inspection.
As the FAA filed it
(-23) THE PILOT INTENDED TO PERFORM A MAINTENANCE GROUND RUN ON THE COMPANY'S AIRCRAFT. THERE WERE NO PASSENGERS ON BOARD. ADDITIONALLY, THERE WAS NO INTENT TO FLY. THE SEQUENCE OF EVENTS AREA AS FOLLOWS: AFTER STARTING THE R/H ENGINE USING A POWER CART, THE RAMP PERSON PULLED THE WHEEL CHOCKS. THE PILOT THEN TURNED HIS ATTENTION TO STARTING THE L/H ENGINE. DURING THE PROCESS OF STARTING THE LEFT ENGINE, THE AIRCRAFT STARTED ROLLING FORWARD AND THE R/H PROPELLER CONTACTED THE POWER CART. THE PILOT STATED, THAT HE DIDN'T HAVE ENOUGH BRAKE PRESSURE APPLIED TO THE BRAKES TO PREVENT THE AIRCRAFT FROM ROLLING FORWARD. THERE WAS NEGLIGIBLE DAMAGE TO THE POWER CART. THE PROPELLER AND ENGINE WERE REMOVED FOR INSPECTION.