What was found
DRO - FLIGHT 6077, THE CREW REPORTED SELECTING "CLB" THRUST DURING TAKEOFF RESULTED IN A T/O 1 DISPLAY ON EICAS (INADEQUATE THRUST POWER) AND AFTER SELECTING CRZ, THE CREW COULD THEN SELECT E-CLB. MAINTENANCE REMOVED AND REPLACED THE THRUST CONTROL MODULE, AND ENGINE TWO FADEC A AND FADEC B. THE AIRCRAFT WAS TEST FLOWN SATISFACTORILY, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.