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Printed page 98-99. PDF page 54.
be noted that the failure did not happen all at once. The failure was intermittent. No one knows precisely how or when the failure took place, but an explanation was offered by Mr. Handberg: "... the only explanation that IOpen official document at PDF page 54Final report of the Board of Inquiry into the Air Canada Boeing 767 C-GAUN accident at Gimli, 23 July 1983