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Certification of Aerospace Products to international quality Standards
Certification of Aerospace Products to international quality Standards
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In the original Test Report (mfg batch 506102, in 2007), we have 3 bolts tested for both tensile and double shear tests.
In the new edition of Test Report (same batch 506102, edition of May 2021), 5 bolts have been tested this time, so, 2 more than the previous one.
ISO7689 (edition 1988 and edition 2008) requires 3 bolts to be both tensile and double shear tested when the manufacturing batch size is lower or equal to 500 parts.
Thus, even if this difference is a bit strange, both reports are compliant.
Note : as stated in the new edition of the test report, fatigue test is not required if we consider ISO7689:2008.
Back in the days, fatigue test was applicable (ISO7689:1988) and this is why we have fatigue test results.
Approved on my side.
Best regards.