As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C WAS PUSHED BACK FROM THE GATE FOR ENGINE START WITH PACKS OFF ELECT SMELL IN COCKPIT, NO SMELL NOTED IN CABIN NO SMOKE NOTED. NO SMELL NOTED IN CABIN NO SMOKE NOTED. ****AIRCRAFT REMOVED FROM SERVICE ***** INSPECTED AND FOUND THE SMELL COMING FROM THE GROUND DISPLAY FAN, REMOVED AND REPLACED FAN #2 IAW AMM 21-24-19 OPERATIONAL CHECK GOOD S/N OFF 1418 S/N ON 3007