As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND RIGHT ENG PYLON HYDRAULIC PRESSURE LINE CHECK VALVE AT FIREWALL CHAFED. REMOVED CHECK VALVE IAW CRJ 700 AMM 29-11-00. EN ROUTE TO ATL A/C DIVERTED TO AEX DUE TO MTC. RELATED TO DEFECT 360869-1 &-2 AND 360870-1. EMERGENCY DECLARED. REF AFDL 360869, ITEM 1 FOR INDICATION & AFDL 360870 ITEM 1 FOR LEAK / OPS CHECK.