What was found
DURING TAXI FOR T/O, NOTED UNUSUAL VIBRATION FROM THE RT MLG. CREW NOTED THAT WITH THE ANTI SKID SYSTEM DE-SELECTED, VIBRATIONS WOULD CEASE. THE A/C RETURNED TO THE GATE. MX CLEANED AND INSPECTED THE RT WHEEL SPEED TRANSDUCER AND RE-RACKED THE ANTI- SKID CONTROL UNIT, IAW DORNIER MM 32-42-13 AND 32-42-11. THE FUNCTION CHECK WAS UNSATISFACTORY. A/C WAS ISSUED A FERRY FLT PERMIT TO PIT. PIT MX, INSPECTED AND REPLACED THE BRAKE METERING CONTROL UNIT, IAW DORNIER MM 32-42-03. OPS AND LEAK CHECKS WERE COMPLETED, AND THE A/C WAS RETURNED TO SERVICE.