As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRPLANE CRASHED BECAUSE OF ENGINE FAILURE BUT THE SEAT BELTS FAILED BECAUSE OF POOR WELDS. ATTACHMENT LUGS BROKE LOOSE FROM STRUCTURE, ALLOWING PILOT TO BE EJECTED INTO INSTRUMENT PANEL. SUBMITTER RECOMMENDS THAT AMATEUR AIRCRAFT BUILDERS MAKE GOOD WELDS.