Q. I am a CSRS employee. I have 10 years of part-time service after 1986. I also have 1½ years of part-time service in 1977-78 from while I was in college. I had heard that when OPM implemented the 1986 part-time law, it made a mistake that seriously disadvantage retirees with part-time service. I also heard there were efforts to correct that, but I hadn’t learned the outcome of those. With respect to the Q&A below from your website, does it mean OPM’s error has been corrected with respect to part-time service and the calculation of annuities? Does 55A no…