A LATAM Airlines Brasil Airbus A321-200, registration PT-XPB performing flight JJ-3067 from Recife,PE to Brasilia,DF (Brazil), was descending towards Brasilia when the crew received a cargo smoke indication. The aircraft continued for a safe landing on Brasilia's runway 11L. Attending emergency services did not find any trace of fire, heat or smoke. The airline reported it was a false alarm. The occurrence aircraft is still on the ground in Brasilia about 25 hours after landing.