As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE OBSERVED IN THE CABIN OVERHEAD UPON LANDING. PHYSICAL INSPECTION PERFORMED, SMOKE TESTS CONDUCTED, NO TROUBLE FOUND. UNABLE TO DUPLICATE AT GATE. NO C/B POPPED AND NO POST FLIGHT REPORT FAULTS. AIRCRAFT DEPARTED AFTER INSPECTION AND TEST.