What was found
F/A "A" CALL C/P TO INFORM OF "SMOKE SMELL" BEWEEN ROWS 28 PLUS 31. SEEMED TO ORGINATE FROM F/A STATION NR 2 PILOT INFORMED F/A TO PULL ALL C/B`S IN AREA, COFFEE POT (1 & 2). ONE AND HALF MINUTE AFTER PULLING C/B`S, SMELL WENT AWAY. MONITORED AREA FOR ANY TRACK OF SMOKE/FIRE FOR DURATION OF FLIGHT (1HR). AT SOME POINT F/A NOTICED A SPARK NEAR F/A STATIO NR 2 HANDSET AREA, PAX COMPLAINED OF SMOKE BRIEFLY. REST OF FLIGHT NORMAL. REMOVED AND REPLACED MID F/A P/A BUTTON. (M)