As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORT ODOR THROUGH HALF THE FLIGHT. INSPECTED SMOKE IN CABIN IN REF AMM TASK 05-51-58-800. ACCOMPLISH STEPS A, B, AND PART C BEFORE ENGINE RUN. FOUND NO SMOKE OR ELECTRICAL ODOR. INBOUND CREW STATED PASSENGER VAPE PEN MALFUNCTION DURING DEPLANE. NO FURTHER MX ACTION REQUIRED. CONSULTED WITH TOMC. SMOKE ODOR FORM.