CBS Radio Mystery Theater – The Missing Day. ep954, 790214.

Title:The Missing Day.
Plot:When he cannot account for a period in his life, the manager of a nuclear research facility must trace his steps to reclaim his missing day.
Episode:0954.
Air Dates: First Run – February 14, 1979
Repeat – August 3, 1979

Read more at: CBS Radio Mystery Theater | Episode 954 | The Missing Day.

PS: Hmm… a worker in a nuclear plant, forgetful, the cause of problems, maybe the characters should be named Homer and Marge. Just an observation.