What was found
A/C DIVERTED TO MKE, LT ENG FIRE LOOP-B FLICKERING AMBER LIGHT AND ANNUNCIATOR LIGHT, SELECTED A-LOOP LT ENG, IT WOULD NOT TEST. REPAIRED CHAFING WIRE NEAR FWD PYLON CONNECTOR FOR LOOP-B. SLIGHT CORROSION IN CANNON PLUG IN PYLON FOR LOOP-A. CLEANED CANNON PLUG, OPS CHECK GOOD ON BOTH A/B FIRE LOOPS LT ENGINE.