As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED DURING A FAINT SMOKE SMELL DURING CRUISE NEAR ROW 12 AND CONTINUING AFT. NO EMERGENCY WAS DECLARED AND AIRCRAFT LANDED SAFELY AT DEN. MAINTENANCE PERFORMED OPS CHECK OF AIR CONDITIONING SYSTEM PER EMB AMM AND COULDN'T DUPLICATE ANY SMOKE SMELLS.