The National Transportation Safety Board released its preliminary report Thursday amid the ongoing investigation into the Ohio train derailment, which happened in East Palestine nearly three weeks ago on Feb. 3. NTSB officials are hosting a news conference in connection with their preliminary report to “discuss factual information from the investigation and rail safety." The preliminary report, which you can read in full below, reveals new details of what happened that night. Train 32N was operating with a dynamic brake application as the train passed a wayside defect detector on the east side of Palestine, Ohio, at milepost (MP) 49.81. [4] The wayside defect detector, or hot bearing detector (HBD), transmitted a critical audible alarm message instructing the crew to slow and stop the train to inspect a hot axle. The train engineer increased the dynamic brake application to further slow and stop the train. During this deceleration, an automatic emergency brake application initiated, and train 32N came to a stop. READ MORE: https://www.wkyc.com/article/news/special-reports/train-derailment/ohio-train-derailment-investigation-ntsb-preliminary-report-east-palestine/95-d100b570-38c7-4a1c-b6ba-f3f79ba7b45d At 3News, we’re not here to tell you the news, we’re here to share the stories that you say matter most to you. Share your ideas, thoughts, concerns and engage in conversations about the communities in which we all call home. Follow 3News on Social: Facebook: https://www.facebook.com/wkyc.channel3/   Twitter: https://twitter.com/wkyc   Instagram: https://www.instagram.com/wkyc3/   Visit our site: https://www.wkyc.com/ And be sure to download our app here: https://wkyc.com/app