Was reported from at 14.30 hrs. Ms.Piyachat (GSA) that guest got injury from the mattress in room530. Ms Ornpreeya (Duty manager) and Mr Suwit (Security officer) went to the screne and found that guest got the scratch on his right leg approximately 5 centimeters, but the scratched wasn't deep. K.Wit offered first aids and cleaning his scratch. Ms.Ornpreeya called to informed HSK to change the mattress.