Complex sentence: However, during the next day's excursion trip on September 13,4501 ended with a bad load of coal which damaged her firebox grates, so the NS SD60E Veterans Unit 6920 would provide the power for the final afternoon trip to Cleveland.
Split into simpler sentences: However, during the next day's excursion trip on September 13,4501 ended up with a load of bad coal which damaged her firebox grates. So the NS SD60E Veterans Unit 6920 would provide the power for the final afternoon trip to Cleveland.