As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED HYD 2 EDP FAIL, HYD 2 SYS LOW QTY AND HYD SYSTEM WENT TO ZERO. CREW DECLARED AN EMERGENCY AND DIVERTED TO CMH. MAINTENANCE T/S PER EMB AMM AND FOUND THE CASE DRAIN LINE LEAKING CAUSING THE EDP TO RUN DRY. MAINTENANCE REMOVED AND REPLACED EDP AND CASE DRAIN LINE PER EMB AMM AND OPS CHECKED GOOD.