As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF UPON APPLICATION OF TAKEOFF POWER THE LEFT FUEL FILTER BYPASS LIGHT ILLUMINATED. TAKEOFF WAS ABORTED. CHANGED FUEL FILTER AND DIFFERENTIAL FUEL SWITCH. RAN LT ENG FOR APPROX 10 MIN WITH 5 MIN AT POWER AND SEVERAL QUICK ACCELERATIONS. TOOK FUEL SAMPLES FROM BOTH INBOARD SUMP AND FUEL BOWL. SAVED FUEL FILTER FOR EVAL. NO DEFECTS WERE NOTED REFER TO PWC MM P/N 3044952 CH 73-10-05.