As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD FLT 6033 - THE CREW REPORTED WALL PANEL 5A WAS EXTREMELY WARM TO TOUCH, STRONG SMELL OF BURNING PLASTIC. ALL DISSIPATED WHEN PACK 2 BLEED WAS DESELECTED. MAINTENANCE INSPECTED AND RESECURED THE AIR CONDITION DUCT BEHIND SIDEWALL PANEL. OPERATIONAL CHECKS WERE GOOD.