What was found
DURING CLIMB OUT, AFTER GEAR RETRACTION, CREW NOTICED AN UNSAFE GEAR LIGHT INDICATION. ACCOMPLISHED UPLATCH CHECK, AND WHEN CYCLING THE GEARS FELT A VIOLENT SHUDDER AND THE LT MLG DOWN LIGHT ILLUMINATED INTERMITTENTLY. RETURNED TO DEPARTURE AND LANDED WITHOUT FURTHER INCIDENT. MX INSPECTED LANDING GEARS AND FOUND THE LT GEAR RETRACT PIN SHEARED. THEY PERFORMED INSP FOR FERRY FLIGHT IAW GMM 3.117. MX REPLACED THE LT GEAR RETRACT PIN. OPS CHECK GOOD IAW SB 32-102 AND MM 32-32-2, TEMP REV 32-121.