As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL FILTER BYPASS L ILLUMINATED THROUGH 10K AFTER TAKEOFF. REPLACED FUEL FILTER IMPENDING BYPASS SWITCH WITH NEW SERVICEABLE SWITCH. REPLACED FUEL FILTER ELEMENT WITH FUEL FILTER KIT. PERFORMED FOLLOW ON LEAK CHECKS AND GROUND RUNS WITH SATISFACTORY RESULTS. MAINTENANCE ACCOMPLISHED IAW EMM 73-10-03.