TMZ Sports has obtained the 911 call made regarding Elden Campbell 's death ... with a man telling the operator he spotted something washed up on the shore that "looks like a human body."

In the audio, the caller sounded confused about what he initially saw on the beach on December 1 ... but after zooming in on his camera, he told the operator, "It looks like a dead person on the floor." Gallery Launch Gallery Getty

When police arrived, we were told they found Campbell's body alongside a jet ski on the beach around 8 PM ... and he was pronounced dead at 8:03 PM.

The medical examiner in Pompano Beach, Florida said the cause of death for the 6'11'' center was an accidental drowning .

Despite no foul play being suspected, homicide and crime scene detectives are still investi

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