As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT ENGINE LOST POWER ON LANDING AND COLLIDED WITH TREE DUE TO FUEL STARVATION OF ENGINE CAUSED BY LOSS OF FUEL SYSTEM VENTING. FUEL CAP LOOSES VENT FUNCTION WHEN TIGHTENED (SCREWED IN) TO FUEL TANK FILLER NECK. CAP IS THERMOS TYPE THAT EXPANDS AS IT IS TIGHTENED. WHEN CAP IS UNSCREWED FROM FILLER NECK, VENT FUNCTION RETURNS.