What was found
AFTER TAKEOFF THE RT ENGINE OIL QUANTITY INDICATION WENT TO ZERO. OIL TEMPERATURE OF 100 DEGREES AND OIL PRESSURE OF 40 PSI APPEARED NORMAL. THRUST ON THE NR 2 ENGINE WAS REDUCED TO IDLE, WHICH CAUSED THE RT PACK TO AUTO SHUTDOWN. AFTER THROTTLE WAS PULLED BACK A BURNING ODOR WAS NOTICED BY CABIN AND COCKPIT CREW MEMBERS. THE ACFT RETURNED TO DEPARTURE AND LANDED UNEVENTFULLY BUT WHILE ON FINAL APPROACH THE AMBER "AFT CARGO DOOR" LIGHT ILLUMINATED.