As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 GALLEY HTR CAUSES A SMOKEY SMELL WHEN ON. CREW REPORTS THAT THERE IS A STRONG BURNT ELECTRICAL SMELL IN THE GALLEY OR FLIGHT DECK JUST AFTER PUSHBACK. REMOVED AND REPLACED NR 1 GALLEY HEATER IAW CRJ AMM 21-23-05. P/N: 2831-45 S/N OFF: 584. ALSO REMOVED AND REPLACED GALLEY VENTILATION FAN. SYSTEM OPS CHECK GOOD. NO TRACE OF ELECTRICAL BURNING SMELL.