Thanks for your input, Andy.Anyway in OP's position, they have lost data which they need to restore and while they could wait and see if the errors are increasing in number they probably just want to get it replaced ASAP.
-- With kindest regards, Alexander. ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org ⠈⠳⣄⠀⠀⠀⠀