What was found
AS POWER WAS INCREASING AFTER TOGA ON TAKE OFF, RECEIVED A CRC FOR "PARKING BRAKE SET" EVEN THOUGH PARKING BRAKE HANDLE WAS DOWN. SECOND TAKE OFF ATTEMPT OK. INSPECTED PARK BRAKE LINKAGE FOR CORRECT OPERATION NO DEFECTS NOTED, CLEANED CONNECTOR AT 7GG, FOUND UPPER SHAFT OF PARK BRAKE HANDLE STICKY, CLEANED AND LUBED HANDLE AS REQUIRED, UNABLE TO DUPLICATE FAULT ON THE GROUND.