As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - RT MAIN GEAR AMBER GEAR DOOR LIGHT ON AFTER T/O. INSPECTED FOUND RT MLG DOOR CLOSED PROX SENSOR UNREASONABLE NEAR FAULT. FOUND EVIDENCE OF CONTACT WITH PROX SENSOR AND TARGET. REMOVED AND REPLACED RGDRCL PROX SENSOR WITH NEW IAW AMM TASKS 32-61-06-000-802 AND 32-61-06-400-802. INSPECTED RT SSV FILTERS NO CONTAMINATION FOUND. PERFORMED OPERATIONAL TEST OF LANDING GEAR IAW AMM TASK 32-31-00-710-801 TR 32-240. RETURNED TO SERVICE.