KLM B772 near Atlanta on Jan 8th 2017, water leak into avionics

A KLM Boeing 777-200, registration PH-BQI performing flight KL-624 from Atlanta,GA (USA) to Amsterdam (Netherlands) with 325 people on board, was climbing through FL360 out of Atlanta when the crew declared emergency reporting a water leak into the avionics and decided to return to Atlanta. The aircraft dumped fuel on the way back and landed safely on Atlanta's runway 27R about 30 minutes after stopping the climb. After landing the crew advised no further assistance was needed and taxied to the apron.

A passenger reported the crew indicated they were faced with multiple error messages on their displays.