As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN REPORTED THAT DURING TAKE OFF (AIRFOIL ICE PROTECT PRESS ABNORMAL) LIGHT TURNED ON. CABLES WERE CHECKED AND A LINE WAS GROUNDED IN SENSOR S1-46. (AIRFOIL ICE PROTECT PRESS ABNORMAL) LIGHT WIRING WAS REPAIRED IAW WDM 30-11-01, TEST CORRECT.