As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF ABORTED DUE TO FLAP TAKEOFF WARNING CONFIGURATION HORN. FOUND NR 4 LE FLAP INTRANSIT LIGHT ON, ON OVHD & FWD PNL. FOUND WHEN FLAPS DOWN AND TAPPED S175 LIGHTS WENT BETWEEN TRANSIT AND GREEN EXTEND. REPLACED S175 AND TESTED SEVERAL TIMES WITH ALL INDICATIONS NORMAL.