As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) FUEL SELECTOR VALVE SEIZED. INVESTIGATION FOUND WATER CONTAMINATION IN THE VALVE SPOOL CAVITY. SUSPECT WATER FROZE AND JAMMED SELECTOR. SUBMITTER STATED FUEL SYSTEM HAD BEEN DECONTAMINATED 28 HOURS EARLIER PER AD/GEN/80 AMDT2. (X)