What was found
97-0096, ONE HOUR AND 30 MINUTES INTO FLIGHT, GOT HYDRAULIC 1 OFF ALERT. SYSTEM QUANTITY SHOWS 2.6 AFTER 3.5 HOURS OF FLIGHT. GOT LEVEL 2 HYDRAULIC 1 FAIL ALERT AND QUANTITY OF 1.0 GALLON. REMOVED PANEL 517CT OVER NR 1 ENGINE PYLON FOUND A .1875 HYDRAULIC PIPE CHAFED THROUGH. ALSO, FOUND A .5 HYDRAULIC PIPE CHAFED WHERE THE .1875 LINE MADE CONTACT. REPAIRED LINES USING RINGLOK FITTINGS. SERVICED SYSTEM AND LEAK CHECKED GOOD.