As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 692 30-10 2472263 18DEC21 YYZ CLOSE WING A/ICE FAIL ON CLIMB SHORTLY AFTER TAKEOFF. RESOLVED AFTER FOLLOWING QRH FACT 18DEC21 21:46 PHL VISUALLY INSP L/H WING ANTI ICE VALVE AND DUCT WEAR NO DEFECTS NOTED. PERFORMED OPS CHECK OF WING ANTI ICE SYSTEM AND ANTI ICE VALVES IAW AMM 30-00-00-05 OPS CHECK GOOD OK FOR SERVICE