MSC Apollo 13 Investigation Team. This sensitive internal report is the first revision of official communication between two investigation panels (6 and 9) on the Apollo 13 Review Board. Focus is on certification tests, failure history, failure modes, life history of the Apollo spacecraft oxygen and non-oxygen tanks and associated components. The results of dozens of tests are logged in a column format. Several to-the-point manuscript notes are made by a panel member disputing various statements. With a 26-page distribution copy of charts presented during an April 1970 crew briefing. 8.5x11 inches and 69 pages with a ring binding. NASA/MSC, May 1970
