What was found
PROP DEICE CAUTION ILLUMINATED IN FLIGHT WHEN NR 1 PROP WAS SELECTED ON ( PROP DEICE SYSTEM INOP ). DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. PERFORMED GROUND RUN & C/W OPS. CHECK OF PROP. DEICE SYSTEM. FOUND PROP. DEICE CAUTION LIGHT ILLUMINATING DURING NR 2 PROP CYCLE. C/W AMM TASK 30-61-00-760-801. FOUND NR 1 & NR 4 DEICE LEADS WITH HIGHER RESISTANCE ON NR 2 PROP. REMOVED & REPLACED NR 2 PROP DEICE LEADS ON NR 1 & NR 4 BLADES. IAW AMM TASK 61-10-06-000/-400-805. FUNCTIONAL CHECK GOOD. CLEARS MEL. AIRCRAFT RETURNED TO SERVICE.