As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WING ANTI-ICE DISAGREE AFTER TAKEOFF, FOLLOWED BY AIR SYS 1 OFF. AFTER CONSULTING MOC & GOC RETURNED. TROUBLESHOOTING IAW FIM 30-11 TASK 801. AIR SYS 1 OFF ALERT SUGGESTS USING FIM 36-23 TASK 803. FOUND FAULT BALL ON PNEUMATIC MANIFOLD FAULT INDICATOR PRESS SWITCH LT WING. ORDERED PRESS SWITCH. R & R LT WING MANIFOLD FAIL DETECT PRESS SWITCH IAW AMM 36-23-03-4-0. OPERATIONS CHECKED GOOD. ACFT OK FOR SERVICE.