What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Airplane was cleared for takeoff on rwy 15. From taxiway "a", pilot taxied into takeoff position, applied full power, and released brakes. As the nose dipped and the airplane began to roll forward, a taxiway light assembly impacted the right propeller, damaging all three prop blades and the right side of aircraft nose. The incident site was between taxiways "a" and "b", on runway centerline. The light assembly had become dislodged from it's original position on the paved non-use area at the apppproach end of the runway. The original location is on a post located at the intersection of the extended centerline of the runway and the extended centerline of the taxiway, and stands approximately 24" tall. It is not known how the light assembly became dislodged from the post and relocated to a position approximately 150 feet down the runway.
As the FAA filed it
AIRPLANE WAS CLEARED FOR TAKEOFF ON RWY 15. FROM TAXIWAY "A", PILOT TAXIED INTO TAKEOFF POSITION, APPLIED FULL POWER, AND RELEASED BRAKES. AS THE NOSE DIPPED AND THE AIRPLANE BEGAN TO ROLL FORWARD, A TAXIWAY LIGHT ASSEMBLY IMPACTED THE RIGHT PROPELLER, DAMAGING ALL THREE PROP BLADES AND THE RIGHT SIDE OF AIRCRAFT NOSE. THE INCIDENT SITE WAS BETWEEN TAXIWAYS "A" AND "B", ON RUNWAY CENTERLINE. THE LIGHT ASSEMBLY HAD BECOME DISLODGED FROM IT'S ORIGINAL POSITION ON THE PAVED NON-USE AREA AT THE APPPPROACH END OF THE RUNWAY. THE ORIGINAL LOCATION IS ON A POST LOCATED AT THE INTERSECTION OF THE EXTENDED CENTERLINE OF THE RUNWAY AND THE EXTENDED CENTERLINE OF THE TAXIWAY, AND STANDS APPROXIMATELY 24" TALL. IT IS NOT KNOWN HOW THE LIGHT ASSEMBLY BECAME DISLODGED FROM THE POST AND RELOCATED TO A POSITION APPROXIMATELY 150 FEET DOWN THE RUNWAY.