As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT ON APPROACH APPRX 6,000 IN CABIN. CONTINUOUS AND LASTED 5 TO 6 MINUTES-TROUBLESHOOTING DONE IAW TSM 05-50-00-810-831-A AND FOUND BOTH ENGINE OIL LEVELS OVERSERVICED. OIL LEVELS ADJUSTED IAW AMM 12-13-79 AND LEVEL A DECONTAMINATION ACCOMPLISHED ON BOTH PACKS IAW AMM 21-00-00-615-802. CABIN ODOR NO LONGER PRESENT, A/C OK FOR SERVICE MOC #64493