As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG BURNING ODOR IN CABIN AND COCKPIT DURING TAKE OFF ROLL, UNTIL REDUCING TO CLIMB POWER AFTER TAKEOFF, DURATION 1 MINUTE. NO ABNORMAL VIBRATIONS OR INDICATIONS. LIKELY CAUSE WAS THE AIR CONDITIONING SYSTEMS. TROUBLESHOT NO ODOR NOTED ON ARRIVAL.