As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RH AUXILIARY FUEL CELL COLLAPSED. VELCRO ATTACHMENT PADS HADBECOME UNGLUED AND SEPARATED FROM THE TOP SURFACE OF THE FUEL CELL. INSPECTION FOUND THAT THE RH FUEL VENT HEATING ELEMENT HADFAILED, ALLOWING THE VENT TO BECOME BLOCKED WITH ICE CAUSING THEFUEL CELL TO COLLAPSE.