What was found
CREW REPORTED A HYDRAULIC PROBLEM, 'HYD 1 LO PRESS' LOSS OF QUANITY - '0'. FLIGHT CONTINUED AND LANDED ON RUNWAY WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE NR 1 SYSTEM SUCTION TUBE ASSEMBLY CHAFFED AT A POINT 18 FT FROM THE FORWARD END. P/ N 601R75286-37, REF IPC 29-11-00 FIG 4 ITEM 120. TUBE HAD CHAFFED ON THE NR 1 HYDRAULIC SYSTEM STAINLESS STEEL PRESSURE LINE. P/N601R75286-61, REF IPC 29-11-00 FIG 4 ITEM 5. SEGMENT OF NEW LINE WAS PERMASWAGED IN POSITION, ENSURING PROPER SEPARATION BETWEEN LINES. PRESSURE LINE WAS INSPECTED SERVICEABLE, AND NR 1 ENGINE DRIVEN PUMP WAS ALSO REPLACED.