As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WING AI FAIL MSG DURING AI TEST IN FLT (TWICE) W NO OPEN INSCRIPTION AND NOT IN ICING CONDITIONS. R&R FLEX SLEEVE ON #1 WING A/ICE DUCT IAW AMM 30-11-01. REQUIRES OPERATIONAL CHECK. OPS CHECK ANTI ICE SYSTEM IAW AMM 30-00-00 OPS CHECK GOOD. OK FOR SERVICE.