What was found
(CAN) MX NOTICED AN ELECTRICAL ODOR IN AREA OF MAIN CABIN DOOR. FOUND ODOR TO BE COMING FROM E & E BAY. WHILE LOOKING FOR THE SOURCE OF SMELL, DROPPED POWER OFF OF THE ACFT & NOTICED CB CBP2-R1, FLAPS CONT CH 1, CB WAS POPPED. WITH POWER ON, ACFT COULD NOT RESET CB. WHEN SFECU 1 WAS PULLED FROM ACFT, NOTICED DARK BURNED AREA ON BACK TOP PORTION OF BOX. THERE MAY HAVE BEEN A FLAME AS THE WATER DRIP TRAY ON TOP OF THE SFECU WAS SLIGHTLY WARPED BY FLAME OR HEAT & ALSO HAD A LOT OF SOOT ON IT ALSO. NR 1 SFECU CB WILL NOT RESET. FOUND NR 1 SFECU TO BE AT FAULT FOR ELECTRICAL ODOR & CIRCUIT BREAKER TRIPPING. REPLACED NR 1 SFECU & FLAPS SLATS FUNCTION TESTED SERVICEABLE.