As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED, GATE RETURN DUE TO BURNING SMELL IN CABIN ABOUT ROW 4 AND GASPER FANS NOT WORKING. MAINTENANCE REMOVED AND REPLACED GASPER FAN IAW EMB145XR AMM 21-23-03, RAN PACK NR 1 & NR 2 FOR 30 MINUTES OPS. CHECKED GOOD AND NO BURNING SMELL NOTED. AIRCRAFT RETURNED TO SERVICE.