What was found
FLT#43, JFK-LGW. (ETOPS) 'ENG 2 LOOP A ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A ); REF T/S ON LP 4089779, ITEM #1. REMOVED AND REPLACED LOOP A ON #2 ENGINE ANGLED GEAR BOX IAW AMM 26-12-17. ALL CHECKS GOOD NO FAULT CURRENTLY PRESENT. THIS CLEARS MDDR 554847.MX-4 UPDATED, PLACARD REMOVED MCC NOTIFIED.