49 U.S.C. § 20903

Reports not evidence in civil actions for damages

No part of an accident or incident report filed by a railroad carrier under section 20901 of this title or made by the Secretary of Transportation under section 20902 of this title may be used in a civil action for damages resulting from a matter mentioned in the report.

( Pub. L. 103–272, § 1(e) , July 5, 1994 , 108 Stat. 887 .)