THE STORY
During the 2017 Azerbaijan Grand Prix on June 25, Lewis Hamilton led the race when his headrest became loose, forcing him to pit for repairs. This unscheduled stop dropped him to fifth place, and he finished the race without securing a podium position. (en.wikipedia.org)
TEAMS / PEOPLE:
Mercedes, Lewis Hamilton
WHY IT MATTERS
The headrest issue cost Hamilton a likely victory, allowing Daniel Ricciardo to win the race. Mercedes later acknowledged the problem and redesigned the headrest mechanism to prevent future occurrences. (grandprix.com)