As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN LANDING GEAR WAS LOWERED NO LIGHT CAME ON, ON LEFT MAIN. WHEN NOSE AND RIGHT BECAME GREEN, LEFT BECAME RED. EMERGENCY EXTENSION PROCEDURE ACCOMPLISHED. LEFT MAIN REMAINED RED. REMOVED AND REPLACED PROX BOX PER MM CHAP 32. OPS CHECK NORMAL. (M)