And, as liquid is known to do at very cold temperatures, the drips began to freeze. The little drip turned into a big chunk of ice. At 650 miles per hour, that little chunk of ice broke off from the fuselage and slammed into an engine. After the emergency landing, officials determined that the part that could have prevented the nearly catastrophic mishap was a little rubber washer. More than a hundred lives were put at risk, and an engine costing more than a million dollars was destroyed, all for the want of a, literally, ten-cent part.
Little things can have a big impact.
The complex commands more attention but may not be more important. Assess your systems. Remind your busy colleagues who are overworked and under pressure to take the time necessary to review the easy stuff. And double-check the obvious. Quality is in the details.