AFTER PERFORMING SOME ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT THE PROGRAMMABLE POSITION TRANSDUCER IN THE HOIST CONTROL CONSOLE HAD GONE BAD. THIS WAS AT 6:00 PM. THE NEW TRANSDUCER CONTRO L ARRIVED AT THE HOIST AT 10:00 PM AND THE HOISTWAS BACK IN SERVICE AT 12:00 AM 5-29-02. THE HOIST WAS ALSO OUT OF SERVICE AT VARIOUS TIMES ON 5-29-02 FOR PROGRAMMING ADJUSTMENTS.