What was found
DURING APPROACH, CREW SMELLED ELECTRICAL SMOKE (NOT VISIBLE). ON LANDING, DISCOVERED "PWR FDR" 1/2A BREAKER (ON STBY PWR PANEL) POPPED. T/S & FOUND RCCB 8 & 107 REMAINING OPEN R & R. ALSO FOUND BURNED WIRE H131A8 & BURNED CONTACT ON CURRENT SENSOR. R & R WIRE H131A7 & CURRENT SENSOR. ACFT SYS OP CHECKED GOOD WORK ACCOMPLISHED IAW MM 24-30, 30-40, 20-20 & WDM 30-42 ALSO REMOVED & REPLACED BOTH CIRCUIT BREAKERS FOR LEFT WINDOW HEAT BECAUSE THEY DID NOT TRIP.