As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK, MAINTENANCE PERSONNEL DETECTED FAILED OF TCAS TEST; SO MAINTENANCE PERSONNEL PERFORMED FIM 34-45 TASK 801 PROCEDURE SHOWING FAILED ON TCAS ANTENNA BOTTOM; IT WAS PERFORMED REPLACEMENT OF TCAS ANTENNA I.A.W. AMM 34-45-02,OPERATIONAL TEST WAS PERFORMED I.A.W. AMM 34-45-00-710-801, ALL CORRECT.