![](https://flightsafety.org/wp-content/uploads/2023/04/waterdrop-Screenshot-2023-04-27-141706.jpg)
Water leaking from two lavatories on a Boeing 767 froze on aileron components and left the flight crew with limited ability to turn the control wheels during a July 7, 2022, trans-Atlantic flight, according to a report by the U.S. National Transportation Safety Board (NTSB).