As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN GEAR UNSAFE LIGHT INTERMITTENTLY COMES ON. GEAR HANDLE INTERMITTENTLY COMES ON AT SAME TIME. REPLACED LT MLG NR 1 DOWNLOCK PROXIMITY SENSOR IAW 32-61-06. ALSO REPLACED LT MLG NR 2 DOWNLOCK PROXIMITY SENSOR IAW Q400 AMM 32-61-06. PERFORMED OPERATIONAL TEST OF THE EXTENSION AND RETRACTION SYSTEM IAW Q400 AMM 32-31-00.