TC reported cab air-con blower dislodgedand fell off. TC was not hurt. Train withdrawn as scheduled at JUR, return to UPD. ~~~~~ 3565 TC reported cab air-con blower dislodged and fell off. TC was not hurt. Train withdrawn as scheduled at JUR, return to UPD.  3565 cab A/C blower replaced with new. Security check - OK. Shafie/Anand 44880