As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF AND CLIMB, ENGINE SUFFERED A LOSS OF POWER AND STOPPAGE CAUSING AN EMERGENCY LANDING. ENGINE REGAINED POWER AS TOUCH DOWN WAS MADE. FOUND EVIDENCE OF WATER IN LEFT FUEL TANK. PILOT STATED TANKS HAD BEEN SAMPLED PRIOR TO TAKEOFF. HIGH HUMIDITY HAD BEEN IN THE AREA FOR SEVERAL DAYS.