As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN SMOKE REPORTED BY F/A, WHITE SMOKE VISIBLE IN CABIN. SMOKE SMELLED LIKE BURNING OIL. HAPPENED DURING APPROACH. PERFORMED VARIOUS ENGINE RUN UPS AND VERIFIED LT AND RT AIR PACKS AND LT & RT ENGS IAW JIC 72-00-00 AND 21-10-00. NO OIL ODOR OR SMOKE IN CABIN OR COCKPIT AT THIS TIME, JIC 21-22-0.