#sts-41-d

Space Shuttle Discovery on the 747 SCA taxiing passed Space Shuttle Enterprise, for her flight back to the Kennedy Space Center, after her maiden flight, STS-41-D. Discovery landed the day before at Edwards Air Force Base, California.

Date: September 10, 1984

"In this picture, Space Shuttle Discovery sits on Launch Pad 39A prior to the launch of its STS-41D mission. Scheduled to launch on June 26, 1984, the launch was aborted due to a hydrogen fire on the launch pad. This was the first launch pad abort of the Shuttle Program."

Date: August 29, 1984

STS-41-D Discovery being rolled back to the Vehicle Assembly Building (VAB).

Following the launch abort at T-6 on June 26, 1984, it was discovered there was a problem with SSME #3, which had some contamination in a hydraulic actuator, this in turn led to a temporary blockage of the engine’s hydrogen fuel valve. NASA decided to change out the complete engine on the pad. However, it was decided to combine the Discovery's first (STS-41-D) and second (STS-41-F) missions and payloads together to minimize satellite backlog after the PAM-D failures during STS-41-B. This required the Space Shuttle to be de-stacked from the ET and sent to the OPF. There workers installed additional support for the new payload. Discovery returned to the launch pad on August 9.

Date: July 14, 1984

Workers replacing SSME #3 on STS-41-D Discovery on the LC-37B. This is due to the launch abort at T-6 seconds on June 26, 1984. The problem was discovered there was a problem with said SSME, which had some contamination in a hydraulic actuator, this in turn led to a temporary blockage of the engine’s hydrogen fuel valve. NASA decided to change out the complete engine on the pad over two days.

Date: July 3-5, 1984

STS-41-D Discovery departing the VAB for LC-39A

Date: August 9, 1984