Narrative:

Approximately 3:30 into our 9:34 planned flight time we received a satcom SELCAL from company requesting us to return to ZZZ due a massive failure of the ATC system in brazil. We discussed the issue of a possible planned overweight landing back at ZZZ. We conferred with maintenance about the amount we would be over on landing. Maintenance said no problem. An electronic maintenance entry was made reference overweight landing. During our return to ZZZ we maximized our fuel burn to minimize our overweight condition on landing. The WX and airport conditions were all excellent. We made a smooth uneventful landing.

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Original NASA ASRS Text

Title: B767 FLT CREW IS INFORMED OF ATC OUTAGE IN BRAZIL 3:30 INTO THEIR FLT AND TOLD TO RETURN TO THE DEP ARPT BY THEIR COMPANY.

Narrative: APPROX 3:30 INTO OUR 9:34 PLANNED FLIGHT TIME WE RECEIVED A SATCOM SELCAL FROM COMPANY REQUESTING US TO RETURN TO ZZZ DUE A MASSIVE FAILURE OF THE ATC SYSTEM IN BRAZIL. WE DISCUSSED THE ISSUE OF A POSSIBLE PLANNED OVERWEIGHT LANDING BACK AT ZZZ. WE CONFERRED WITH MAINT ABOUT THE AMOUNT WE WOULD BE OVER ON LNDG. MAINT SAID NO PROBLEM. AN ELECTRONIC MAINTENANCE ENTRY WAS MADE REF OVERWEIGHT LNDG. DURING OUR RETURN TO ZZZ WE MAXIMIZED OUR FUEL BURN TO MINIMIZE OUR OVERWEIGHT CONDITION ON LNDG. THE WX AND ARPT CONDITIONS WERE ALL EXCELLENT. WE MADE A SMOOTH UNEVENTFUL LNDG.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.