Remaining Value Method

SUGGESTED

Hello, 

I have some assets that were Place in Service on 1/4/17, estimated life of 5 yrs. 6 mo.,  depreciation ran through 7/31/17, and all have a SL depreciation method. I was notified that assets had to be accelerated to be fully depreciated by 8/31/17. So I changed the depreciation method to RV and changed the estimated life to 0 yrs. 8 mos. but the asset will not fully depreciate. In the past i haven't had issues doing this except for today. Would you please advise?

Thanks