As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: ON APPROACH AT 3000 FT MSL AND 3000 FT AGL, THE 3 MAIN GEAR RED LIGHTS ILLUMINATED AND THE "GEAR/CONFIGURATION/TAKEOFF" WARNING SOUNDED FOR 5 SECONDS. MAINTENANCE ACCOMPLISHED PSEU BITE AND NO EXISTING FAULTS NOTED PER FIM 32-09-00.