What was found
(CAN) ELECTRICAL SMELL IN CABIN AND COCKPIT. ON MDC COME FLAP HALF-SPEED AND SPOILER/STAB FAULT. INSPECTION PERFORMED, IDENTIFIED BURN MARKS ON SLAT/ FLAP ELECTRONIC CONTROL UNIT (SFECU) NO. 2. ALSO MDC DIAGNOSTIC PAGE SHOWED "FLAP HALF-SPEED AND SPOILER/STAB FAULT" MESSAGE. SFECU NO. 2 CONFIRMED DAMAGED. THE DEFECT UNIT WAS REPLACED AND SYSTEM TESTED ACC. AMM 27-51-05, REV. 61. AFTER PART REPLACEMENT AND SUCCESSFULLY SYSTEM TESTING THE AIRCRAFT WAS HANDED OVER TO FLIGHT OPS. (TC# 20191018016)