What was found
JUST AFTER PUSHBACK, FLIGHT ATTENDANT CALLED WITH SMOKE IN CABIN, FINE MIST OF SMOKE, HOT AIR AT FLOW VENT OF ROW 5A. FLIGHT ATTENDANT REPORTED GRINDING NOISE AT 9B+C, SMELL WAS ELEC WITH VISIBLE SMOKE IN FWD CABIN. R & R NR 2 RECIRC FAN & RT ACM IAW NRWC 627-DFW-02384 & 627-DFW-02383 FOR WORK ACCOMPLISHED. OPERATIONS CHECKED GOOD IAW ETN-EM-72-034, NO DEFECTS NOTED. ACM PN 8152403 & SN 200107198.