What was found
#2 ENGINE FIRE LOOP DOES NOT TEST. GROUNDED - YES. PERFORMED B737-800 FIM 26-10 TSK 801 FOUND #2 ENGINE LOOP B FAN UPPER DETECTOR FAULT. PERFORM GVI OF FIRE LOOP. NO DEFECTS NOTED. PERFORMED RESISTANCE CHECK. REF FIM 26-10 TSK 805 FOUND RESISTANCE OUT OF LIMITS. FOUND FWD TERMINAL CONNECTOR WIRE FOR B LOOP, CONNECTOR TO LUG, BROKEN. TERMINATED BROKEN WIRE ON LOOP B UPPER SON DETECTOR REF B737-800 SWPM 20-30-00. PERFORMED ENGINE FIRE DETECTOR OPS TEST REF B737-800 AMM 26-11-00-710-801. ALL TEST GOOD.