; and (B) identify challenges within the FAA to accomplishing safety improvements carried out under such Initiative. (2) Report Not later than 2 years after the date of enactment of this Act, the Comptroller General shall submit to the appropriate committees of Congress a report containing— (A) the findings of the study under paragraph (1); and (B) recommendations for such legislative or administrative action as the Comptroller General determines appropriate. (d) Runway length The Administrator— (1) may not restrict funding made available under chapter 471 of title 49, United States Code, from being used at an airport in Alaska to rehabilitate, resurface, or reconstruct the full length and width of an existing runway within Alaska based solely on reduced current or forecasted aeronautical activity levels or critical design type standards; (2) may not reject requests for runway projects at airports in Alaska if such projects address critical community needs, including projects— (A) that support economic development by expanding a runway to meet new demands; or (B) that preserve the length of runways used by aircraft to deliver necessary cargo, including heating fuel and gasoline, for the community served by the airport