What was found
UPON POWERING UP THE ENGINES FOR TAKEOFF WITH THE BREAKS HELD FOR A STATIC TAKEOFF, YELLOW BRK FAIL CAS MESSAGE CAME ON AND THE BREAKS NO LONGER WORKED AT ALL. REMOVED AND INSTALLED REPAIRED WHEEL SPEED TRANSDUCER IAW AMM 32-41-06-400-801-A. OPS CHECK GOOD IAW AMM 32-41-06-710-801-A. REMOVED AND INSTALLED TESTED BRAKE CONTROL MODULE IAW AMM 32-41-07-400-801-A. PERFORMED FUNCTIONAL CHECK OF THE BRAKE SYSTEM IAW AMM 32-41-00-720-801-A/500. ALL CHECKS GOOD. ORIG SUB DATE: 12/29/2022