As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6529 - IAD-LGA - THE NR 2 FUEL FILTER BYPASS CONTAMINATION LIGHT ILLUMINATED IN FLIGHT. AIRCRAFT RETURNED TO IAD WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE HIGH PRESSURE FUEL FILTER. OPS CHECKED GOOD. AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE. (W)