As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE APPLYING TAKEOFF POWER, THE LEFT ENGINE FUEL FILTER PRESSURE DROP LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL FILTER AND FUEL DIFFERENTIAL PRESSURE SWITCH. RAN ENGINE TO TAKEOFF POWER AND REINSPECTED FUEL FILTER. OPERATIONAL CHECK OK, NO CONTAMINATION FOUND.