{"data":{"id":"us/14-cfr-121.237","jurisdiction":"us","citation":"14 CFR 121.237","heading":"Oil lines and fittings in designated fire zones.","body":"Oil line and fittings in each designated fire zone must comply with § 121.259.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS","PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS","Subpart J—Special Airworthiness Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"2714855f991681c7fa0478f85503527a20cb8804bd917b119c7a5ce4f231a11d","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-121.235","next":"us/14-cfr-121.239"},"notice":"GroundRules: Original legal text. Not legal advice."}