Originally Posted by
PENKO
I guess that’s what TS is aiming for in this discussion. Let’s say the RNP issue clears during the missed approach. Why not try a second approach? Obviously the RMP system worked as intended.
If you want to further a hypothetical and create a scenario where the RNP resolved itself, sure, you can fly another RNP/RNP-AR. But if following the OP's scenario where it had not resolved, why/how could you fly a RNP/RNP-AR in IMC below MSA with 'UNABLE RNP'?