What was found
LOSS OF SYSTEM-A OCCURRED 30 MINUTE AFTER TAKEOFF. RAN CHECK LIST VERIFIED SYSTEM-A LEAK. SHUT-OFF BOTH SYSTEM-A FLUID SHUT-OFF SWITCHES. LEAK/FLUID LOSS STOPPED WITH LESS THAN 1 GALLON. REMOVED 40 DEGREE FLAP STOP, REMOVED AND REPLACED HYDRAULIC FLAP DRIVE MOTOR AND SERVICED A-SYSTEM HYDRAULIC. REMOVED AND REPLACED A-SYSTEM CASE DRAIN FILTERS ON NR 1 AND NR 2 MOTORS. REMOVED AND REPLACED A-SYSTEM PRESSURE FILTER ON A-SYSTEM MODULAR UNIT PER MM 29-11-62 PG 301. NO METAL FOUND, CHECKS GOOD, INTALLED FLAP STOP.