As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SMOKE WAS OBSERVED IN THE CABIN AIR FOLLOWING TAKE-OFF. OXYGEN MASKS WERE DEPLOYED AND AN EMERGENCY DECLARED. THE AIRCRAFT DIVERTED TO POINT OF DEPARTURE. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20070514005)