How easy is rmd waiver to get?

Client age 83 has always taken his rmd on time. This year some kind of miscommunication with custodian (Fidelity) resulted in it not being taken out. Didn't realize it until saw January statements Called Fidelity immediately,rmd now out that should have been 2014. Will file waiver request on form 5329 - how... show more Client age 83 has always taken his rmd on time. This year some kind of miscommunication with custodian (Fidelity) resulted in it not being taken out. Didn't realize it until saw January statements Called Fidelity immediately,rmd now out that should have been 2014. Will file waiver request on form 5329 - how likely to be granted? Any other tips?
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