What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Crashed on takeoff end of the runway into some trees. (.4)witnesses reported an abnormal amount of black smoke trailing from the aircraft after takeoff. The airplane subsequently descended through trees and power lines. Postaccident investigation revealed the engine's #1 cylinder did not have compression when checked. After the intake valve of the #1 cylinder was pried back, the cylinder had compression when the propeller was rotated. The #1 cylinder's intake and exhaust manifold areas were darker in color than those of the other cylinders. The #1 cylinder's valve springs were not within the tolerances as listed by the manufacturer.
As the FAA filed it
CRASHED ON TAKEOFF END OF THE RUNWAY INTO SOME TREES. (.4)WITNESSES REPORTED AN ABNORMAL AMOUNT OF BLACK SMOKE TRAILING FROM THE AIRCRAFT AFTER TAKEOFF. THE AIRPLANE SUBSEQUENTLY DESCENDED THROUGH TREES AND POWER LINES. POSTACCIDENT INVESTIGATION REVEALED THE ENGINE'S #1 CYLINDER DID NOT HAVE COMPRESSION WHEN CHECKED. AFTER THE INTAKE VALVE OF THE #1 CYLINDER WAS PRIED BACK, THE CYLINDER HAD COMPRESSION WHEN THE PROPELLER WAS ROTATED. THE #1 CYLINDER'S INTAKE AND EXHAUST MANIFOLD AREAS WERE DARKER IN COLOR THAN THOSE OF THE OTHER CYLINDERS. THE #1 CYLINDER'S VALVE SPRINGS WERE NOT WITHIN THE TOLERANCES AS LISTED BY THE MANUFACTURER.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.