964-520 Refcode_964-520


		
		
		Explanation
 The drive returned bad or non-extended sense data. 
		

		
		Response
			No action is required.

		

		
		
		
		
		
		Problem determination
			No action is required.

		

		
		
		
		
		
		Failing Item
			
			Find the failing function code in Failing function code list.

				
ffc964
				

				
ffcb88