As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A ROUGH RUNNING ENGINE SNAG IT WAS FOUND THAT THE FUEL PUMP WAS LEAKING FROM THE LOWER FLANGE BELOW THE STOP FOR THE FUEL MIXTURE CONTROL. THE FUEL PUMP WAS REPLACED. THERE HAVE BEEN 3 SIMILAR INCIDENTS IN THE LAST 2 DAYS OF PUMPS LEAKING. IT MAY BE RELATED TO EXTREME COLD TEMPERATURES BEING EXPERIENCED.