As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELECTRICAL ODOR MINUTES AFTER DEPARTURE. CREW NOTICED SMOKE COMING FROM UNDERNEATH FLOOR, BETWEEN SEATS 6 & 8. AN EMER WAS DECLARED & ACFT DIVERTED. LANDING WAS UNEVENTFUL. ACCESSED & INSPECTED SURROUNDING AREA WITH NO DEFECTS NOTED. ENG GND RUNS PERFORMED WITH ENVIROMENTAL SYS ON & NO INDICATIONS OF ELEC ODOR OR SMOKE NOTED.