What was found
ELECTRICAL SMELL IN CABIN ROWS 22-26 NOTICED BY FLIGHT ATTENDANTS & PILOT IN BACK. 1 HOUR INTO FLIGHT, FLIGHT ATTENDANTS REPORT ELECTRICAL SMELL ROWS 22 & 23 ABC. HAD FLIGHT ATTENDANT`S TURN OFF CEILING & SIDEWALL LIGHTS & PASSENGER ENTERTAINMENT SYSTEM. TURNED PACKS TO HIGH FLOW, SMELL WENT AWAY. LIGHTS WERE NOT TURNED BACK ON UNTIL ARRIVAL AT GATE. PASSENGER ENTERTAINMENT SYSTEM NOT TURNED BACK ON. ACCOMPLISHED TOMC CALL OUTS, NO DEFECTS NOTED. OPERATED LIGHTS ON HIGH, PASSENGER ENTERTAINMENT SYSTEM & APU FOR 1 HOUR, NO DEFECTS NOTED.