As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING ON TAXI-IN, NR 1 ENGINE FILTER BYPASS LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED FIM TASK 73-05, TASK 801. FOUND ELECTRICAL CONNECTOR OF THE J8 WIRE HARNESS DISCONNECTED FROM SWITCH RECEPTACLE. RECONNECTED CONNECTOR AS NEEDED ON FUEL FILTER DIFFERENTIAL PRESS SW, FFDPS, REF AMM 73-34-01. FLT CREW RAN ENG NR 1 FOR REPAIR CONFIRMATION. OPS CK NORMAL. NR 1 ENG FILTER BYPASS LIGHT REMAINS OFF.