What was found
FLT#2416, SFO-JFK. (ETOPS). 'ENG # 2 FIRE LOOP A FAULT ON ECAM MSG STAYED ON DURING CLM WENT AWAY WHEN WE GOT TO CRUISE; NO HARD FAULT PRESENT ON ECAM, ACCOMPLISHED FDU 2 TEST, NO FAULTS PRESENT, ENG 2 FIRE PUSHBUTTON TEST OK. INSPECTED ENG 2 LOOP A RUN, FOUND LOOP A PYLON JUNCTION BOX HARNESS 4165KS TWISTED & KINKED SHARPLY, AS PRECAUTION CHANGED HARNESS PER AMM 26-12-61. ACCOMPLISHED CONTINUITY & INSULATION CHECKS OF LOOP A PYLON, CORE AGB, CORE VENT CIRCUITS, ALL READINGS WITHIN LIMITS, NO SHORTS OR OPENS & ALL RESPONDERS READ CORRECTLY, CHECKED AT TERMINAL BLOCK 450VT2. AS PRECAUTION, REPLACED TERMINAL BLOCK 450VT2 PER ESPM: 20-44-51. OPS TESTED GOOD IAW AMM 26-12-00. ACCOMPLISHED IDLE RUN, NO FAULTS.