As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE FL 430 HAD BOTH HYD L HYD PRESS AND R HYD PRESS FAULT ANNUNCIATOR INDICATION. SYSTEM PRESSURE STAYED IN GREEN ARC. PILOT DIVERT TO CMH. GEAR EXTENDED NORMALLY, FLAPS EXTENDED NORMALLY, BRAKES NORMAL. AFTER LANDING, OBSERVED LOSS OF HYDRAULIC FLUID ON RT COWL. OPENING COWL REVEALED HYDRAULIC PRESSURE LINE RUPTURED. HYDRAULIC RESERVOIR HAD SIGNIFICANT FLUID LOSS. CAUSE OF HYDRAULIC LINE DAMAGE STILL UNKNOWN.