As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN GEARS WERE LOWERED, ALL 3 GEAR INDICATED UNSAFE ON MAIN GEAR INDICATORS AND CONFIGURATION PAGE. NO ABNORMAL YAW OR NOISE. RECYCLED GEAR AND GOT 3 GOOD DOWN INDICATIONS. REMOVED AND REPLACED PROXIMITY SWITCH ELECTRONICS UNIT IN REF TO MD1 0-10 M/M 31-71-01-2. JACKED AIRCRAFT IAW MD10-10 M/M 07-11-00-2 AND CYCLED GEAR SEVERAL TIMES IAW MD10-10 M/M 32-30-00-5 ALL INDICATIONS NORMAL.