Home › CFR › Title 49 › Part 155449 CFR Part 1554 — Aircraft Repair Station SecuritySubpart A — General§ 1554.1— Scope.Subpart B — Security Measures§ 1554.101— Security Measures.§ 1554.103— Security Directives.Subpart C — Compliance and Enforcement§ 1554.201— Notification of security deficiencies; suspension of certificate and review process.§ 1554.203— Immediate risk to security; revocation of certificate and review process.§ 1554.205— Nondisclosure of certain information.