What was found
CA AIRSPEED AND ALT FAILED ON CLIMB OUT (FLIGHT 4629 - FILED CLOSED) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 25053405 WITH THE FOLLOWING CORRECTIVE ACTION: "AFTER INTERROGATING THE AIRCRAFT, FOUND CAUTION MESSAGE REFERENCING ADS PROBE 1 FAILURE CITING ADS PROBE 1 AS POSSIBLE LRU AT FAULT. THIS MESSAGE CORRELATED TO CRUISE FLIGHT. ALSO FOUND ADS PROBE 1 HTR REMOTE BREAKER POPPED. FURTHER INVESTIGATION DISCOVERED ADVISORY MESSAGES REFERENCING MISCOMPARE FAULTS OF ADS 2 AND ADS 3 THAT CORRELATED TO PREFLIGHT. THESE FAULTS PROVIDED A FIM REFERENCE THAT SUGGESTED THE FAILURE OF ADS PROBE1 TO BE AT FAULT. REMOVED AND REPLACED ADS PROBE 1 AND PERFORMED ASSOCIATED OPS CHECKS IAW ERJ 175 AMM 34-13-01. SYSTEM OPS CHECKS GOOD AT THIS TIME. CAT II RETURN TO SERVICE COMPLETED AND NO PLACARDS ARE INSTALLED. / TOOLS USED: / TORQUE DRIVER-S/N1017401785 CAL DUE MAR 2023 / GSE 054 DIAL INDICATOR KIT S/N 15299242 CAL DUE OCT 2022 / "