What was found
TCAS FAIL AFTER TAKEOFF INTERROGATED MAT AND PERFORMED TCAS SYSTEM TEST, FOUND MX MESAGE FAULTS PRESENT AT THIS TIME, OPS CHECK GOOD. PARTS USED: 34-49943 TCAS NO INPUT FROM RIGHT RAD ALT TRANSCIEVER. 29-3445-9-0009,QTY :1 TROUBLESHOT REF FIM 34-45-814, REMOVED AND REPLACED TCAS ROTABLE PARTS CHANGE WAS INDICATED - TT # 1760152 SN OFF 8804 COMPUTER REF AMM 34-45-01, TCAS SYSTEM TEST SUCCESSFUL, NO IPC REFERENCE # 34-45-00 S/N UPDATE ROTABLE PARTS CHANGE WAS INDICATED - TT # 1760152 SN OFF 8804 COMPUTER, TRAFF OFF 29-3445-9-0009 8804 ON 99-3445-9-0001 2017