As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 528 - AFTER TAKEOFF, CABIN AND COCKPIT STARTED TO FILL WITH SMOKE. RETURNED AND LANDED DFW WITHOUT INCIDENT. REPLACED NR 1 ENGINE DUE OT OIL LEAK AT 13TH STAGE. ACCOMPLISHED LEAK CHECK. ACCOMPLISHED PACK BURN OUT. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)