What was found
FLT 608 - MEX-DFW - AIRCRAFT RETURNED TO SOUTH POSITION AS CONSEQUENCES OF OVERHEATING OF THE RAT PROBE AND A FAIL FLAG WAS APPEARED. DURING THE CHECKING SYSTEM IT WAS FOUND ALSO THAT THE TAKEOFF ALARM DID NOT WORK. IT WAS DETECTED A TROUBLE WITH THE RELAY R2-5, SUCH RELAY WAS REPLACED, IT WAS PERFORMED SEVERAL TESTS TO RAT PROBE AND TAKEOFF ALARM, OK MM 34-00-01. (M)