What was found
T/O CONFIG WARNING - PARKING BRAKE. REPEAT FAULT ACFT STARTED TAKE OFF ROLL ABORTED AT 30 KNOTS. REMOVED AND REPLACED MLG PARKING BRAKE VALVE. REF AMM 32-44-04. OPS AND LEAK CHECKS GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1414663 SN OFF 1689 VALVE, MLG, BRA OFF 27-3244-9-9002 1689 ON 27-3244-9-9002 0081 FOUND PARKING BRAKE LEVER SWITCH S32008 BAD REMOVED AND REPLACE D SWITCH REF AMM 32-44-08-400-801 ADJUSTED SWITCH ALL TEST PASSE D