As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROCH, AT POWER IDLE, AN ODOR OF SOMETHING BURNING. STARTED IN COCKPIT AND WORKED ITS WAY THROUGH THE CABIN. ONLY LASTED 30 SECONDS IN COCKPIT. PERFORMED ENGINE ODOR EVENT TROUBLESHOOTING IAW ETN-EM-72-034. PERFORMED ENGINE RUNS IAW ETN-EM72-034. COULD NOT DUPLICATE THE BURNING ODOR. NO FURTHER DEFECTS NOTED.