; and (2) ensure that representatives of and, when appropriate and upon request of a community board, relevant experts from the Federal Aviation Administration participate in meetings of a community board. (e) Community reports (1) In general A community board may draft a community report detailing the community’s concerns and issues related to aviation impacts. (2) Contents A community report may be comprised of, or include, community information, documents, or locally conducted assessments. (f) Community assessments (1) In general A community board may petition the Administrator to conduct a community assessment, which shall be conducted based on the framework and diagnostic tool established by the National Academy of Sciences under section 3 and the community reports described in subsection (e). (2) Limitation A community board may petition the Administrator to conduct not more than 1 community assessment under paragraph (1) every 3 years. (3) Exception Notwithstanding paragraph (2), a community board may petition the Administrator to conduct an additional community assessment during the 3-year period described in paragraph (2) if— (A) a study described in part 150 of title 14, Code of Federal Regulations, is commissioned by an airport with flight paths that affect the community represented by the community board