What was found
RIGHT MLG BRAKE: DURING TAXI OUT, THE RIGHT, MAIN BRAKE INTERMITTENTLY FAILED. APPLYING THE BRAKES RESULTED IN A GRINDING SOUND AND IT FAILED TO ENGAGE FULLY. THE AIRCRAFT HAD TO BE STOPPED WITH THE LEFT BRAKE ONLY. //SIGN OFF // VERIFIED SEVERAL WHEEL SPEED TRANSDUCES FAILS ( RH SIDE) IN CMC HISTORY. REPLACED WITH A REPAIRED UNIT THE RH WHEEL SPEED TRANSDUCER OPERATIONAL TEST CHECKED GOOD IAW PHENON AMM 32-41-06 PERFORMKED SATISFACTORY OPERATIONAL TEST OF BRAKING SYSTEM VIA ENGINE RUN & TAXI IAW PHENON AFM NO DEFECTS NOTED