What was found
NR 2 ENGINE B SIDE FIRE LOOP WILL NOT TEST. GROUNDED - YES. PERFORMED FIM 26-10, TASK 810. BITE CHECK SHOWS FAULTED ENGINE 2 LOOP B LOW DETECTOR RESISTANCE. CLEANED CONNECTIONS. PERFORMED RESISTANCE CHECK ON ALL FIRE LOOPS ALL RESISTANCE WITHIN LIMITS. FOUND OIL CONTAMINATION ON B LOOP ENG FAN LWR LOOP B TERMINAL, CLEANED TERMINAL AND POST, AND SECURED. FOUND CORROSION ON THE ENG CORE LEFT LOOP B, REMOVED CORROSION AND SECURED. ALL TESTS PASSED. FAULT NO LONGER ACTIVE.