As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN LANDING CONFIGURATION AT 800 FT ON APPROACH TO EWR CREW RECEIVED ALL GREEN AND ALL RED GEAR LIGHTS INDICATION WITH GROUND PROXIMITY WARNING. THE GEAR WAS RECYLED DURING A -GO-AROUND- AND ALL GEAR INDICATIONS AND OPERATION WORKED NORMALLY. MAINTENANCE FOUND THE GEAR HANDLE STICKING. THE GEAR HANDLE WAS CLEANED AND LUBRICATED. OPERATIONAL CHECKS WERE GOOD.