As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ISSUE- CREW REPORTED STAB ANTI ICE FAIL IN ICING CONDITIONS. WHEN ANTI ICE SYSTEM ACTIVATED CHECKED BLEED AIR ON EICAS SCREEN AND BOTH INDICATORS WERE IN THE HIGH GREEN RANGE. THAT’S WHEN WE GOT THE STAB ANTI ICE FAIL. EXITED ICING CONDITIONS IMMEDIATELY, MESSAGE CLEARED AS SYSTEM WENT OFF OUT OF ICING CONDITIONS. LANDED BACK IN DALLAS NO FURTHER INCIDENT. CORR ACTION MX TROUBLESHOT TO BAD STAB A/I VALVE R&R'D VALVE OPS TEST GOOD.