As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH HAD LT MLG UNSAFE INDICATION. A/C LANDED WITH GEAR DOORS DOWN DUE TO ALT GEAR EXTENSION. A/C WAS FERRIED TO BOS FOR GEAR MTC. IN BOS CHECKED OUT ALL 3 LT GEAR PROX SWITCHES WITH ELEC TEST KIT. ALL CHECKS OK. SHOOK DOWN WIRING HARNESS FOR ALL 3 PROX SWITCH CHECKS. JACKED AND CYCLED GEAR. ALL CHECKS OK. REPLACED PSEU PER MM.