As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPEAT WRITE UP - WHEN GEAR WAS LOWERED THE LT MAIN GREEN LIGHT AND THE RED GEAR UNSAFE LIGHT FLICKERED FOR ABOUT 10 SECONDS. THEN ALL MAIN GEAR LIGHTS ILLUMINATED AND THE GEAR UNSAFE LIGHT EXTINGUISHED. REMOVED AND REPLACED LANDING GEAR CONTROL HANDLE AND PERFORMED SEVERAL GEAR SWINGS. OPS CHECK GOOD. REF CH 32-30-00 OF THE MM.