As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE SMELL IN CRUISE WITH BOTH PACKS RUNNING. WITH HEAT ON AND SMELL STARTED TO DISSIPATE WHEN TEMP WAS SET TO COOL. OPERATED #1 AND #2 ENGINE + APU WITH BOTH PACKS ON, PRESSURIZED AND CONTROLLED CABIN TEMP AT 270°C OPS CHECK GOOD NO SMOKE OR FUMES DETECTED OKAY FOR SERVICE AT THIS TIME.