What was found
PILOT REPORTED LOSS OF HYDRAULIC FLUID IN THE GREEN HYDRAULIC SYSTEM DURING CLIMBOUT. SWITCHED POWER TRANSFER UNIT TO OFF AND GREEN SYSTEM ENGINE 1 PUMP TO OFF. COMPLETED GRAVITY GEAR EXTENSION AND LANDED IN MSP UNEVENTFULLY. FOUND OUTBOARD SWIVEL GLAND IN RIGHT WING NR 5 SPOILER ACTUATOR LEAKING DUE TO RETAINING PIN MISSING. REPLACED THE ACTUATOR 32-2760-9-0002. RETURNED LANDING GEAR EXTENSION SYSTEM TO NORMAL MODE AFTER GRAVITY EXTENSION. LEAK AND OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.