As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 5588 FROM ATL, HYD NR 2 LO PRESS CAUTION MESSAGE APPEARED IN FLIGHT AT 27000 FT. AIRCRAFT PERFORMED UNSCHEDULED LANDING AT CKB AND FOUND RIGHT ENG HYD PRESS LINE AE2460010H0264 CHAFED ON FUSELAGE AND SUPPORT CLAMP BROKEN OFF THE FRAME.