As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON FINAL APPROACH, THE CREW NOTICED AN UNSAFE LANDING GEAR INDICATION. THE CREW IMMEDIATELY INITIATED A MISSED APPROACH. THE APPROPRIATE EMERGENCY CHECKLISTS WERE PERFORMED AND WHILE LOOKING FOR THE PROBLEM, THE CREW NOTICED THAT THE EMERGENCY GEAR SOCKET WAS LOOSE. THE SOCKET WAS TIGHTENED AND A SAFE LANDING GEAR INDICATION WAS RECEIVED. THE AIRCRAFT LANDED WITH NO FURTHER INCIDENT.