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More Details for 1967-04-10

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MSC informed NASA Hq. that the spacecraft 017 inertial measurement unit (IMU) was being removed to replace capacitors that were suspect after a number of failures with qualified mylar capacitors.

Replacement was expected to delay mechanical mating of the spacecraft and launch vehicle an estimated two days. The guidance and navigation subsystem would be retested during the integrated spacecraft system tests with the launch vehicle simulator. Headquarters was also advised that all other IMUs in the program had been retrofitted to eliminate the suspect capacitor. Five days later, CSM Manager Kenneth Kleinknecht told KSC that MSC understood that the original impact had been increased to five days, but asserted the change was still mandatory.