What was found
AFTER TAKE OFF "ICE DET SINGLE" LEVEL 1 ALERT FOLLOWED BY "AIR SYS 1 OFF" LVL 1 AND LVL 3 MANIFOLD FAIL FOR SYS 1. NO ANTI ICE WING OR ENG WAS ON. LEVEL 3 MANIFOLD FAIL WENT OUT AS AS THROTTLE WAS RETARDED. REPLACED DUCT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKE OFF "ICE DET SINGLE" LEVEL 1 ALERT FOLLOWED BY "AIR SYS 1 OFF" LVL 1 AND LVL 3 MANIFOLD FAIL FOR SYS 1. NO ANTI ICE WING OR ENG WAS ON. LEVEL 3 MANIFOLD FAIL WENT OUT AS AS THROTTLE WAS RETARDED. REPLACED DUCT.