As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - RIGHT GEAR UNSAFE LIGHT AND GEAR HANDLE LIGHT INTERMITTENTLY FLASHING ON, THEN OFF WHILE AIRCRAFT ON GROUND AT THE GATE. FERRIED GEAR DOWN TO PDX FOR REPAIRS. REPLACED RT MLG DOWN LOCK PROX SENSOR TARGET ASSY (INBD AND OTBD) OPS TEST OF PRIMARY EXTENSION AND RETRACTION GOOD IAW Q400 AMM TASK 32-31-00-710-801. ALL LIGHT INDICATES PROPERLY. RETURNED TO SERVICE.