As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRFOIL DE-ICE FAILED IN FLIGHT IN ALL MODES. REMOVED AND REPLACED LEFT AND RIGHT EJECTOR FLOW CONTROL VALVES AND PATCHED SEVERAL HOLES IN LT WING OUTBOARD BOOT AND RIGHT INBOARD BOOT. P/N''S REMOVED 3D3556-01 S/N''S LT 0922 TSN 3507:22 CSN 4332, RIGHT S/N 0982 TSN 3507:22 CSN 4332. (M)