What was found
REF LP 12160592 - #2 ENG FIRE WARNING LIGHT DOES NOT TEST. GROUNDED - YES. REF TSR 703262 FOR TROUBLESHOOTING C/W BITE TEST REF FIM 26-10 TASK 801. NO FAULTS FOUND. RERACKED M279 MODULE IN E&E BAY, REF AMM 26-10-00 NO HELP. WHILE CHECKING CKPT FIRE PANEL FASTENERS SYSTEM SUDDENLY TESTED OK. REMOVED PANEL CYCLED #2 FIRE HANDLE AND CLEANED AND REINSTALLED PANEL. C/W ENGINE FIRE LOOP RESISTANCE TEST REF AMM 26-11-00 ALL RESISTANCES CHECKED GOOD. C/W DETAILED VISUAL INSPECTION OF HARNESS AND DETECTORS, NO DEFECTS NOTED. COMPLIED WITH GVI ON #2 ENG FAN AND CORE FIRE DETECTORS AND HARNESS TERMINAL CONNECTIONS. NO DEFECTS NOTED. AT THIS TIME #2 ENG FIRE WARNING OPS CHK GOOD. DUE TO HISTORY REPLACED M279, ENG AND APU FIRE/OVHT DETECTION CONTROL MODULE, OPS CHK GOOD, REF AMM 26-10-01.