As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN GEAR RED UNSAFE LIGHT TESTS GOOD BUT FAILS TO ILLUMINATE WHEN GEAR IS RETRACTED OR EXTENDED. ALL OTHER GEAR INDICATIONS WORK GOOD. VERIFIED PROBLEM. T/S, FOUND LOOSE WIRE ON LIGHT ASSY SOCKET. CLEANED CONTACTS & TIGHTENED. OPS CHECK GOOD. MM REF 32-61-01.