Complex sentence: The franchise required a first run no later than August 1,1873, however at least one source reports that the run took place a day late, on August 2, but that the city chose not to void the franchise.
Split into simpler sentences: The franchise required a first run no later than August 1,1873. However, at least one source reports that the run took place a day late, on August 2, but the city chose not to void the franchise.