As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH, THE CREW EXPERIENCED A LANDING GEAR FAILURE AND OBSERVED THE CIRCUIT BREAKER HAD POPPED. THEY PROCEEDED WITH AN EMERGENCY LANDING GEAR EXTENSION AND LANDED WITHOUT INCIDENT. THE FAULT WAS TRACED TO THE LT UPLOCK MICROSWITCH. WHEN THE MICROSWITCH WAS ACTIVATED THE FAULT DISAPPEARED AND WAS UNABLE TO BE RE-CREATED. THE SWITCH WAS REPLACED. (TC NR 20070615003)