As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT FROM LZ, FUEL FILTER LIGHT ILLUMINATED. REDUCED POWER PER RFM, LIGHT WENT OUT. LANDED AS SOON AS PRACTICABLE PER RFM. THE MECHANIC ARRIVED TO TROUBLESHOOT, AND DETERMINED THAT THE FUEL ON BOARD WAS THE SOURCE OF THE PROBLEM. THE FUEL WAS DRAINED, AND REPLACED. NO ADDITIONAL DEFECTS OR LEAKS.