Avianca Brasil, Cargo Smoke Indication

An Avianca Brasil Airbus A320-200, registration PR-OCN performing flight O6-6304 from Sao Paulo Guarulhos,SP to Recife,PE (Brazil) with 156 passengers and crew, was climbing through FL260 out of Sao Paulo when the crew decided to return to Sao Paulo due to a cargo smoke indication. The aircraft landed safely back about 60 minutes after departure. A replacement A320-200 registration PR-ONX reached Recife with a delay of 3 hours. The airport reported the crew reported smoke in the cockpit. The airline reported the aircraft returned as a precaution. A listener on frequency reported the crew reported a cargo smoke indication and returned to Guarulhos. Other aircraft were instructed to enter holdings advising those aircraft an emergency aircraft on fire approaching Guarulhos. The aircraft landed safely, following inspection by emergency service who did not find any evidence of fire, heat or smoke, the aircraft taxied to the apron.

Source: http://avherald.com/h?article=4a552873&opt=0