As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING NORMAL POST FLIGHT INSPECTION PROCEDURE, IT WAS NOTED THAT THERE WAS A SMALL HOLE IN THE OUTSIDE FIRE SLEEVE. UPON TESTING IT WAS SHOWN THAT THE INNER HOSE LINER WAS LEAKING AS WELL. HOSE DOES NOT APPEAR TO HAVE BEEN PHYSICALLY DAMAGED SO ASSUME THE HOSE FAILED FROM THE INSIDE OUT. NEW HOSE SAME PN INSTALLED, BRAKE DEICE OPS CHECKED OK.