Lisa Coffey petitioned the Municipality of Anchorage Police and Fire Retirement Board (Board) for permanent occupational disability benefits under Plan III of Anchorage Municipal Code (AMC) 3.85.230. The Board denied her claim and awarded her non-occupational benefits under AMC 3.85.240. Ms. Coffey appealed the Board's decision to the superior court. AS 22.10.020(d); Alaska R. Appellate P. 602. The superior court reversed the Board's decision. It concluded that there was not substantial evidence to support the Board's conclusion that Ms. Coffey's disability was non-occupational. The Board appeals. We affirm.