What was found
ENG 2 FIRE LOOP B FAULT MSG SELF CLEARS THEN COMES BACK HAPPENED THROUGHOUT ENTIRE FLIGHT; REF L/P 3852479, ITEM 1 (REMOVED AND REPLACED FIRE DETECTOR LOOP A AND LOOP B FIRE DETECTOR RAMP ASSY IAW AMM 26-12-16 REF LOGPAGE 3852481, ITEM 1 FOR REQUIRED INSTALLATION OF PYLON FORE DETECTOR RAMP ASSY.) AND 2 (REMOVED AND REPLACED FIRE DETECTION SYS HARNESS 4001WD2/4002WD2 PER AMM 26-12-17.). REMOVED AND REPLACED LOOP A AND LOOP B FIRE DETECTOR RAMP ASSY & REMOVED AND REPLACED OF HARNESS 4001WD2 /4002WD2. OPS CHECK NORMAL THIS CLEARS MDDR 527728. MX-4 UPDATED AND PLACARD REMOVED.