What was found
(CAN) WHEN REPLACING FLEXIBLE LINES INSIDE THE FUEL CELL, IT WAS NOTED THAT THE BOTTOM OF THE FUEL CELL WAS SPONGY. IT WAS THEN DESCOVERED THAT LAYERS OF RUBBER WERE BREAKING DOWN AND SEPARATING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) WHEN REPLACING FLEXIBLE LINES INSIDE THE FUEL CELL, IT WAS NOTED THAT THE BOTTOM OF THE FUEL CELL WAS SPONGY. IT WAS THEN DESCOVERED THAT LAYERS OF RUBBER WERE BREAKING DOWN AND SEPARATING.