Alaska Stat. § 28.15.166
(f) A review under this section shall be held before a hearing officer designated by the commissioner. The hearing officer has authority to
(g) The hearing for review of action by the department under AS 28.15.165 shall be limited to the issues of whether the law enforcement officer had probable cause to believe that the person was operating a motor vehicle or commercial motor vehicle that was involved in an accident causing death or serious physical injury to another, or that the person was operating a motor vehicle, commercial motor vehicle, or aircraft while under the influence of an alcoholic beverage, inhalant, or controlled substance in violation of AS 28.33.030 or AS 28.35.030 and whether