In Austgen v. Allied Barton Security Services, LLC, No. 19-20613, 2020 U.S. App. LEXIS 20085 (5th Cir. 6/26/2020), a security officer, working for the Port of Houston, encountered back pain in inspecting vehicles. The pain was chronic and had been aggravated by climbing around vehicles. His employer told him to stay home on unpaid