; and (2) which such recommendations the Secretary is not able to implement (including any recommendations for legislation) and a rationale for that determination. (e) Sunset The Committee shall terminate on September 30, 2028. 503. Study of high school aviation maintenance training programs (a) Study (1) In general Not later than 180 days after the date of enactment of this section, the Comptroller General shall initiate a study to assess the aviation maintenance technician workforce pipeline in the United States, as well as any barriers for students enrolled in high school aviation maintenance programs with respect to— (A) entering airframe and powerplant mechanic programs; or (B) accessing pathways to mechanic certification. (2) Contents The study required under paragraph (1) shall assess the following: (A) The number of high school aviation maintenance programs in the United States and the typical career outcomes for graduates of such programs. (B) The extent to which high school aviation maintenance programs offer curricula that align with FAA mechanic airman certification standards. (C) The opportunities afforded to students enrolled in alternative or high school maintenance programs partnered with aviation maintenance technician schools (as described in section 147.15 of title 14, Code of Federal Regulations). (D) Alternate paths to a certificated aviation maintenance technician school for the fulfillment of the experience requirements described in section 65.75(c) of such title 14. (E) Any barriers to entry associated with— (i) developing and attaining the knowledge and experience requirements described in section 65.75 and section 147.31 of such title 14