As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH FUEL BYPASS FILTER CAUTION LIGHT ILLUMINATED. CHECKED L/H FUEL FILTER FOR UNUSUAL OR CONTAMINATION NONE FOUND REPLACED FILTER ELEMENT P/N 3102404-01 NSN AND O-RINGS P/N AS3209-138 AND P/N AS3209-212 IAW P&W MM 73-10-05. PERFORMED ENGINE RUN IAW 560XL MM 71-00-00 NO FAULTS FOUND AT THIS TIME