What was found
NR 4 HYDRAULIC SYSTEM LOST 7 GALLONS. ISOLATION PROCEDURE SHOWED EDP LOSING FLUID. NR 1 HYDRAULIC SYSTEM LOST ALL FLUID WHEN SECONDARY BRAKE SOURCE SELECTED DUE TO NR 4 SYSTEM FLUID LOSS. FOUND END CAP ON BRAKE SYSTEM RETURN SURGE ACCUMULATOR BROKEN OFF. REPLACED END CAP, CHECKED PRESSURE, AND RETURN FILTERS. OPERATIONAL AND LEAK CHECKS PERFORMED PER 29-24-10, 32-41-22 AND 32-41-00. ACCUMULATOR TO BE REPLACED AT JFK.