As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED BURNING SMELL IN COCKPIT-C/A-T/S AIR CONDITIONING DISTRIBUTION SYSTEM IAW E175 FIM TASK 21-20-00-810-801-A DETERMINED TRANSITORY CONDITION OF THE AIR CONDITIONING PACKS NO FURTHER DEFECS NOTED. PERFORMED GVI OF COCKPIT AND CABIN SMOKE AND SMELL IAW EMB 175 FIM 21-20-00. NO ABNORMAL SMELLS OR DEFECTS NOTED.