What was found
THE FOLLOWING WAS FOUND DURING FUNCTIONAL TEST OF TCAS DURING AIRCRAFT INSPECTION. COULD NOT OBTAIN CLIMB ADVISORY ON TCAS. TROUBLESHOT AND FOUND THAT CLIMB INHIBIT WAS ACTIVATED DUE TO 2 EACH RELAYS INOP (COILS OPEN). ONE RELAY IS LOCATED AT 3440-K1 AND THE OTHER IS LOCATED AT 3440-K2. CONFIRMED PROPER OPERATION IN CLIMB INHIBIT MODE. REPLACED BOTH RELAYS AND OPERATIONAL TEST PERFORMED GOOD. NOTE: TCAS INDICATOR DOES NOT DISPLAY CLIMB INHIBIT MODE AT ANY TIME AS NORMAL OPERATION.