It's getting the love it has needed for quite a while.. It would be done by now if COVID hadn't eaten March, April, May and June like a puppy with a stack of magazines.
TTA will/is very visible from the TRON pad.. it was thought that it needed (correctly thought IMO) significant attention prior to TRON opening.. Imagine TRON opening with this giant sophisticated feel, with the TTA over in the corner like it's neglected brother just looking on...
Pretend that you owned a ride using technology & parts from the 1970's. It's not like you can go to Amazon, and get replacement parts.
Folks, it's just OLD. It might be a better idea to gut & rebuild it. In a sense, it IS like the Monorail system... too old, too proprietary, really can not be maintained as is .