What was found
SHORTLY AFTER STARTING TAXI, BECAME DIFFICULT TO MOVE AND UNABLE TO CONTINUE TAXI, PARKING BRAKE WOULD NOT RELEASE. INSPECTED & FOUND MEL 32-42-03, IMPROPERLY APPLIED. RETURN LINE WAS CAPPED INSTEAD OF PRESSURE LINE ON AUTOBRAKE CONTROL MODULE. REF LP 3083740 FOR REPLACEMENT OF MODULE. TAXIED AIRCRAFT FROM RON C TO B1 TAXIWAY AND BACK TO GATE 1. NO ABNORMAL BRAKING NOTED.