Encyclopedia Astronautica
1966.10.12 - Apollo environment control unit in serious trouble

Apollo Program Director Samuel C. Phillips told Mark E. Bradley, Vice President and Assistant to the President of The Garrett Corp., that "the environment control unit, developed and produced by Garrett's AiResearch Division under subcontract to North American Aviation for the Apollo spacecraft was again in serious trouble and threatened a major delay in the first flight of Apollo."

He pointed out, "This current difficulty is the latest in a long string of failures and problems associated with the AiResearch equipment." Phillips told Bradley that he was about three levels removed from the subcontract project details and thus could not give him a point by point discussion of the problems or their causes. Phillips felt, however, "they seem to lie in two categories - those arising from inadequate development testing, and those related to poor workmanship." Phillips hoped that Bradley could find what was needed to get the project on the right track.

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