What was found
AT CRUISE, PILOTS EXPERIENCED A LOSS OF HYDRAULIC PRESSURE. AN UNEVENTFUL LANDING WAS MADE USING EMERGENCY SYSTEMS TO EXTEND LANDING GEAR. MAINTENANCE FOUND A SMALL HOLE IN ENGINE DRIVEN PUMP PRESSURE LINE (RIGHT) AND A CRACKED FLARE ON THE EMERGENCY HYDRAULIC PUMP PRESSURE LINE. THIS IS A HARD LINE, P/N 2307023-484, WITH 7,605 HOURS TT. THE HARD LINE POSSIBLY CRACKED DUE TO AGE. NO IDEA WHY THE FLEX LINE ON THE ENGINE FAILED. FLEX LINE INSTALLED 1-95.