As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 2000 FT AFTER TAKEOFF, EICAS MSG "TCAS OFF" WHILE TRANSPONDER PROPERLY SET. ATC REPORTED BEING UNABLE TO SEE US ON THE RADAR. ALL CIRCUIT BREAKERS IN AND NO OTHER EICAS MESSAGES.(<P>REMOVED AND REPLACED TCAS COMPUTER PER TASK 34-45-00. TCAS GROUND TEST PASSED. ALL TESTS STATISFACTORY, OPS CHECK GOOD. NO EICAS MESSAGES NOTED</P>)