What was found
NR 1 ENG FIRE DETECTION A LOOP INOP. MEL 03APR07 00:03 YOW ACN RELEASED FOR SERVICE PER MEL/CDL: 26-06-B. REMOVABLE ON P6 AREA, APU START PANEL, L/E ANNUNC. PANEL, GEN. FAULT ANNUNC. PANEL. REMOVED RELAY R730, DEPINNED PIN 9 FROM D5220J, DEPINNED PINS 6 & 9 OF D2664P AND REMOVED ENGINE FIRE PROTECTION PANEL FOR T/S. FOUND PINS 6&9 SHORTED TOGETHER, OPENED P6-4 C/B PANEL AND FOUND WIRING BUNDLE DAMAGED. REPLACED BURNED WIRES BEHIND P-6 PANEL.TEST FLIGHT COMPLETE.