NEWYou can now listen to Fox News articles! Robert Kelker-Kelly, the actor best known for playing Bo Brady on “Days of Our Lives,” died from arteriosclerotic heart disease, the St. Charles County medical examiner confirmed to Fox News Digital.The medical examiner ruled his death natural.Kelker-Kelly, who also worked as a professional pilot, experienced chest and left arm pain shortly before his death at age 62, according to a St. Peters Police Department report obtained by Fox News Digital.’DAYS OF OUR LIVES’ STAR ROBERT KELKER-KELLY IGNORED ALARMING SYMPTOMS BEFORE SUDDEN DEATH: POLICE REPORT His wife, Allison Kelly, told police she picked…