As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L AND R WING ANTI INOP. L AND R WING ANTI ICE SYSTEM TEST CARRIED OUT PER AMM 30-11-00-735-002. ALL INDICATIONS AND SYSTEM OPERATION NORMAL ON GROUND. PRECAUTIONARY R&R RELAYS K319, K414 AND K520 TESTED AND OPS CKS GOOD . K414 AND K520, P/N BACR13CG2A