One time transient failure investigation
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A 0.5 dB degradation of a flight model frequency generator was observed for three minutes. The zero risk environment led to Herculean efforts to resolve this problem. An extensive test program did not find the problem so a detailed visual inspection was performed and a dendrite was found at the lowest level of assembly. That module was replaced, and a paper search of the build process was initiated to determine if the problem was generic to the other units that had been produced
Published in:
Aerospace Applications Conference, 1994. Proceedings., 1994 IEEE
Date of Conference: 5-12 Feb 1994