RVP's have access to the data points, if after getting with management, you feel it is in error, get with your FacRep, escalate it to the RVP, ask him for names and dates of the training failures. If anything, it could jar someone's memory. It's easy to forget someone who shows up and quits two weeks later (it happens).
Theoretically yes, it could be changed, they have at least demonstrated in the past that they will correct the PPT if found incorrect. Make sure to have your investigation done before the PPT executes for the next panel or you're out of luck.