{"data":{"id":"us/49-cfr-230.37","jurisdiction":"us","citation":"49 CFR 230.37","heading":"Steam test following repairs or alterations.","body":"Upon completion of any repair or alteration, the locomotive owner and/or operator shall conduct a steam test of the boiler with steam pressure raised to between 95 percent and 100 percent of the MAWP. At this time, the boiler shall be inspected to ensure that it is in a safe and suitable condition for service.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS","Subpart B—Boilers and Appurtenances"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"5d70e8fc3e52f577ecf78177b86ca9e12b36bc490af98bd9e2ed37c3779e17c6","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-230.36","next":"us/49-cfr-230.38"},"notice":"GroundRules: Original legal text. Not legal advice."}