What was found
LANDING GEAR UNLOCK LIGHT WOULD NOT EXTINGUISH WHEN RETRACTING. FOUND LT MAIN GEAR UPLOCK HOOK ACTUATOR MOUNTING ATTACH BOLT SPACER, PN 6217107-3 PREVIOUSLY NOT INSTALLED. REF. CE-650 IPC 32-30-00-02, ITEM 82. THIS CONDITION ALLOWED HORIZONTAL SHIFTING OF UPLOCK HOOK ACTUATOR DURING ACTUATION OF THE UPLOCK HOOK. INSTALLED NEW SPACER, PN 621707-3. PERFORMED LANDING GEAR OPERATIONAL CHECK. LANDING GEAR OPEATION CHECK IS SATISFACTORY IAW THE CE-650 MM. AIRCRAFT RETURNED TO SERVICE. (K)