A LATAM Brasil Boeing 767-300, registration PT-MSO performing flight JJ-4779 from Recife,PE to Sao Paulo,SP (Brazil) with 97 passengers and 7 crew, was in the initial climb out of Recife's runway 18 when the crew stopped the climb at 6000 feet due to excessive vibrations on the left hand engine (CF6). The aircraft returned to Recife for a safe landing about 25 minutes after departure.
A bird strike is being suspected as cause of the engine vibrations.
On May 21st 2020 CENIPA reported the left hand engine ingested a bird during the takeoff run, there was no need to reduce engine thrust or shut the engine down. The aircraft returned to Recife for a safe landing. Three fan blades received damage.