What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) According to pilot, on take-off roll he was unable to get airborne because of lack of engine power. He aborted the take-off roll and ran off the end of the runway. The aircraft sustained minor damage. Investigation revealed that the mag drop on the engine was over 400 RPM on both magnetos, and the number 2, 4, and 6 cylinder compression was under 50. This incident is considered closed.
As the FAA filed it
(-23) ACCORDING TO PILOT, ON TAKE-OFF ROLL HE WAS UNABLE TO GET AIRBORNE BECAUSE OF LACK OF ENGINE POWER. HE ABORTED THE TAKE-OFF ROLL AND RAN OFF THE END OF THE RUNWAY. THE AIRCRAFT SUSTAINED MINOR DAMAGE. INVESTIGATION REVEALED THAT THE MAG DROP ON THE ENGINE WAS OVER 400 RPM ON BOTH MAGNETOS, AND THE NUMBER 2, 4, AND 6 CYLINDER COMPRESSION WAS UNDER 50. THIS INCIDENT IS CONSIDERED CLOSED.