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Conditions for approval required by: Philip Edwards
Certification of Aerospace Products to international quality Standards
Certification of Aerospace Products to international quality Standards
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Standard calls for the nut to be made from EN2399 or EN3639. QTR says the nuts are made from A286 cres per AMS5731 (EN2399 or EN3639 chem only). Attached Material cert (Heat number 571409) only calls out the AMS specifications. Either a new Material cert needs attaching showing the material/chem meets the requirement of the ENs or a statement from Paolo’s/MBR in the report that the material is acceptable and why.
Standard calls for the nut to be made from EN2399 or EN3639. QTR says the nuts are made from A286 cres per AMS5731 (EN2399 or EN3639 chem only). Attached Material cert (Heat number 571409) only calls out the AMS specifications. Either a new Material cert needs attaching showing the material/chem meets the requirement of the ENs or a statement from Paolo’s/MBR in the report that the material is acceptable and why.
–> Raw material used is A286 per AMS5731. It has the same chemistry of EN2399 / EN3639 called by dwg (see also cross reference listed on TR3791). New raw material batches will report the conformity to EN specs also. See attached a raw material cert as reference.