As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED PRIMARY FLAP SYSTEM AND STBY FLAP SYSTEM INOP. MEHCANICS FOUND FLAP RELAY K21 WITH INTERNAL MALFUNCTION. RELAY WAS INSPECTED AND IT WAS FOUND THAT INTERNAL CONTACTOR A3 DID NOT HAVE THE SILVER CONTACT WELDED TO TERMINAL, THEREFORE, AN INTERNAL ARC MELTED THE TERMINAL DAMAGING THE RELAY. NOTE: SILVER CONTACT WAS NOT INSTALLED WHEN MANUFACTURED.