As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR UNSAFE INDICATION AT 500 FT ON FINAL APPROACH ON GO AROUND RECYCLED GEAR AND GOT THREE GREEN INDICATIONS THEN UNSAFE INDICATION AT 500 FEET. 3RD ATTEMPT 3 GREEN INDICATION COMPLETE THROUGH LANDING, EMERGENCY DECLARED. REMOVED AND REPLACED NOSE LANDING GEAR DRAG BRACE IAW CRJ200 AMM 32-21-05. OP`S CHECK GOOD. DEFER CLEARED PLACARD REMOVED. [SDR CLOSED](B)