As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN PUTTING THE LANDING GEAR CONTROL HANDLE DOWN, THE LT MAIN (2) GREEN DOWN INDICATORS FAIL TO BOTH LIGHT. THE BOTTOM LT WILL NOT LIGHT CONSISTENTLY AT GEAR EXTENSION UNLESS YOU WIGGLE THE LIGHT. REMOVED AND REPLACED BOTH BULBS OPS CHECKED GOOD. REF: MM SEC 32-30-00.