The 25-year-old ended a breakthrough season for Liverpool in disappointing fashion when he was withdrawn injured in the first half of the Champions League final defeat by Real Madrid in Kiev on May 26.
Salah is still in doubt for Egypt's opening match in Group A on June 15 against Uruguay in Ekaterinburg after suffering a shoulder injury in the Champions League final for Liverpool late last month.
The vessel 'John Lethbridge' that is affiliated to the company Deep Ocean Search found the cockpit voice recorder of the Airbus A320, according to a statement by the Egyptian committee that investigated the crash of plane.
On Thursday, the cockpit voice recorder for EgyptAir Flight 804 was found in a damaged condition, an Egyptian investigative committee said after the wreckage of the ill-fated plane was recovered on Wednesday.
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Cairo, Egypt's sprawling capital, is a maelstrom of sights, sounds and smells.
The navy has also found some of the passengers' belongings and was sweeping the area in search of the plane's black box, the military said.