 During the Congressional investigation , then @-@ Senator Walter Mondale publicly revealed a NASA internal document citing problems with prime Apollo contractor North American Aviation , which became known as the " Phillips Report " . This disclosure embarrassed NASA Administrator James E. Webb , who was unaware of the document 's existence , and attracted controversy to the Apollo program . Despite congressional displeasure at NASA 's lack of openness , both congressional committees ruled that the issues raised in the report had no bearing on the accident . 
