Engineers discovered the problem during fueling, and worried that any excess hydrogen on the launch pad could cause an explosion during engine ignition.
VOA: standard.2009.03.15
This time it was six long hours before a second flash corrected the first with the news that it was engine trouble and not a midair explosion that had forced Lindbergh to make an emergency landing on treacherous terrain in the mountains of western Pennsylvania.
Digital access is fueling the explosion in interest in family roots, says Cliff Shaw, who founded the genealogy-themed search engine Mocavo.com last year.