As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROX 1 MIN AFTER T/O, "ANTI-ICE DUCT" WARNING MSG ON ED1, FOLLOWED BY "ANTI-ICE DUCT" CAUTION MSG. PERFORMED QRH EP 11-2. BOTH MSGS OUT; DID NOT RE-APPEAR. REPOSITIONED LOOPS AS NEED AT SS184R IAW CRJ900 AMM 36-21-11, PERFORMED HI POWER RUNS & OPS CHECK OF WING ANTI-ICE SYST WITH NO DEFECTS DETECTED. FOUND OK FOR RETURN TO SERVICE. REF CRJ900 AMM 30-11-00.