As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LIGHT SMOKE IN THE ENTIRE CABIN, MORE DENSE IN THE REAR PART WITH WING ANTI-ICE SWITCH TURNED ON. CABIN SIDE WALLS WERE HOT TO TOUCH. SHUTOFF WING ANTI ICE, SMOKE CLEARED AND ODOR DISSIPATED. FOUND INSULATION BAGS RESTING ON WING ANTI-ICE LINES. REPOSITIONED AND TAPED INSULATION BAGS TO PROPER CLEARANCES IAW MM CH 30-10-00. PERFORMED DUCT LEAK CHECK AND WING LEAK EDGE ANTI-ICE TEST. OPS AND LEAK CHECKED GOOD IAW MM 30-10-00.