As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 2082 - AFTER TAKEOFF, STRONG BURNING OIL SMELL ALONG WITH SMOKE IN CABIN. RETURNED AND LANDED IAH WITHOUT INCIDENT. APU BEING USED AS SUPPLEMENTAL ELECTRICAL SOURCE. REPLACED APU AND ACCOMPLISHED HIGH PRESSURE PNEUMATIC BURNOUT AND PACK BURNOUT. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)