On 1/15/14 an inundation of mud occurred in Pit 27 on E highwall. This caused material to be deposited on Komatsu 2000 excavator to railings of opr's deck, around R side of excav. & in front of opr's compartment. Cat 992 loader on S side of slide had mud deposited on L side of wheels. No inj. as a result of slide. Pursuant to cit. issued # 8482945 this report is being filed.