What was found
AFW - DURING ROUTINE MX CHECK, FOUND WIRE HARNESS TO CONNECTOR EPL POWER SUPPLY WIRES CHAFED AND BURNED. INSPECTED HARNESS FOUND PLUG MISWIRED JUMPER BETWEEN PIN 24-20 WAS ACTUALLY IN POSITION 24-21. THIS A/C FLEW IN LIKE THIS EPL SYSTEM OPS CHECKED GOOD UNDER THESE CONDITIONS. HOWEVER, 4 WIRES WERE BURNED DOWN TO CONDUCTOR. INSPECTED, REPAIRED AND SECURED WIRES PER WDM CHP 20 STANDARD PRACTICES. OPS CHECK EMERGENCY LIGHTING SYSTEM, CHECKED GOOD. INSTALLED JUMPER IN CORRECT LOCATION PER SDM 33-51-14. (M)