What was found
F/O`S NR 1 WINDOW & CAPT'S SIDE WINDOW HEAT INOP. FOUND WINDOW HEAT WIRES BURNT BEHIND E2-1 RACK AT CONN D4294P, REF WDM 30-41-12. CONTROL SENSOR FOR LEFT WINDOW 2 MELTED AND OTHER WIRES HAVE HEAT DAMAGE. PWR WIRE W1120-203B-12 EXTENSIVELY DAMAGED. WIRES WERE REPAIRED AND HARNESS REINSTALLED IN A/C. HARNESS OPERATED OK. SUSPECT LOOSE PINS CAUSED HIGH CURRENT DRAW & C-B FAILED TO OPEN SOON ENOUGH TO PROTECT WIRES.