As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SLAT FAIL ON APPROACH TO MKE AND DIVERTED TO ORD. DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. ORD MAINT CALLED TO AC, PERFORMED AC DOWNLOADS. MAINT FOUND LEFT O/B SLAT SKEW SENSOR 3/4 BROKE IN HALF. MAINT REPLACED SKEW SENSOR PER EMB AMM. OPERATION CHECKS GOOD. RETURNED AC TO SERVICE.