What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On April 04, 2011 at approximately 1805 local time, Mr. Hovannes sarkissian, private pilot number privacy data omitted was conducting an engine run-up on N735QT, a Cessna 182 at hanger row c located at El Monte Airport (kemt). Mr. Sarkissian was trying to identify a problem with the oil pressure gauge inside the aircraft. During the engine run-up Mr. Sarkissian's knee hit the parking brake lever disengaging the parking brake. The aircraft pivoted around the left main wheel which was chalked causing the left wing and propeller of the aircraft to strike one of the hangers. The aircraft sustained substantial damage. The pilot was not injured.
As the FAA filed it
ON APRIL 04, 2011 AT APPROXIMATELY 1805 LOCAL TIME, MR. HOVANNES SARKISSIAN, PRIVATE PILOT NUMBER ^PRIVACY DATA OMITTED^ WAS CONDUCTING AN ENGINE RUN-UP ON N735QT, A CESSNA 182 AT HANGER ROW C LOCATED AT EL MONTE AIRPORT (KEMT). MR. SARKISSIAN WAS TRYING TO IDENTIFY A PROBLEM WITH THE OIL PRESSURE GAUGE INSIDE THE AIRCRAFT. DURING THE ENGINE RUN-UP MR. SARKISSIAN'S KNEE HIT THE PARKING BRAKE LEVER DISENGAGING THE PARKING BRAKE. THE AIRCRAFT PIVOTED AROUND THE LEFT MAIN WHEEL WHICH WAS CHALKED CAUSING THE LEFT WING AND PROPELLER OF THE AIRCRAFT TO STRIKE ONE OF THE HANGERS. THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. THE PILOT WAS NOT INJURED.