As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUTBOARD LEFT WING AND OUTBOARD RIGHT WING LEADING EDGE DEICERS FAILED SIMULTANEOUSLY AT FL200. SYSTEM OPERATED NORMALLY FOR 10 MINUTES PRIOR TO FAILURE. BOTH TIMERS 1 AND 2 RESULTED IN FAILURES AS PER QRH. INSPECTED AND FOUND HOLE IN RIGHT BOOT - OUTER TOP AREA. REPAIRED WITH BFG DEICER PATCH. OPERATIONALLY CHECKS GOOD. LIGHTS AND FUNCTION OF INFLATION OK.