As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE A-HYDRAULIC SYSTEM FLUID QUANTITY DROPPED TO NEAR ZERO WHILE EN ROUTE. THE HYDRAULIC QUANTITY LOSS CHECKLIST WAS COMPLIED WITH AND THE AIRCRAFT LANDED AT ATL WITHOUT INCIDENT. MAINTENANCE FOUND A-SYSTEM HYDRAULIC PRESSURE LINE ON RT WING IN ENGINE PYLON AREA CHAFED. THE PRESSURE LINE WAS REMOVED AND REPLACED, LEAK AND OPERATIONAL CHECKS WERE GOOD.