As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI-ICE DUCT WARNING IN FLIGHT LEFT SIDE OF FUSELAGE RED ON A/ICE SYNOPTIC PAGE. TROUBLE SHOT AND FOUND LEFT FUSELAGE SENSING ELEMENT A47WK TO BE AT FAULT. REMOVED AND REPLACED A47WK SENSING ELEMENT IAW AMM 36-21-04. OPERATIONAL TEST OF THE BLEED AIR LEAK DETECTION SYSTEM CHECKS GOOD IAW AMM TASK 36-21-00-710-801. PERFORMED ENGINE RUN AND OPS CHECK OF ANTI- ICE SYSTEM COULD NOT DUPLICATE. OPS CHECKED GOOD PER AMM 36-20-00 RETURN TO SERVICE.