What was found
FLAP FAIL CAUTION MESSAGE AFTER DEPARTURE. RAN QRH AND PREPARED FOR A NO FLAP LANDING. ON APPROACH, MOVED FLAP LEVER TO 1 TO USE SLATS AND THE EICAS MESSAGE WENT AWAY AND THE FLAPS WORKED FINE. (FLIGHT 3412 - FILED CLOSED) PERFORMED TROUBLESHOOTING OF FLAP FAIL CAUTION MESSAGE PER ERJ175 FIM TASK 27-51-00-810-802-A. PERFORMED OPERATIONAL CHECK OF FLAP ACTUATOR TORQUE LIMITERS PER ERJ175 AMM 27-51-01-710-801-A. OPS CHECK GOOD. NO MESSAGES / FOUND. ACFT OK FOR RETURN TO SERVICE.