As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE AND CLIMBING THROUGH FL210 SMOKE FROM THE ACM FILLED THE ACFT. DONNED OXYGEN MASKS, SHUT OFF BLEEDS, DUMPED THE CABIN PRESSURE AND DESCENDED TO A LOWER ALTITUDE, DIVERTED. SMOKE DISIPATED AND LANDING WAS UNEVENTFUL. MX REPLACED THE NR 2 ENGINE OIL PUMP AND AN ENGINE COMPRESSOR WASH WAS PEROFRMED. ENGINE RUNS PERFORMED LEAK AND OPS CHECKS WERE GOOD. A SUCCESSFUL OPS CHECK FLIGHT WAS PERFORMED. ACFT WAS RETURNED TO SERVICE.