This SAE Aerospace Recommended Practice establishes the requirements and procedures for eddy current inspection of open fastener holes in aluminum aircraft structures. This process has been used typically by maintenance and overhaul facilities personnel to inspect aluminum aircraft structures for service-induced cracks, but usage is not limited to such applications.
SAE ARP4402-1992 history
2020SAE ARP4402A-2020 Eddy Current Inspection of Open Fastener Holes in Aluminum Aircraft Structure
2013SAE ARP4402-2013 Eddy Current Inspection of Open Fastener Holes in Aluminum Aircraft Structure
1992SAE ARP4402-1992 Eddy Current Inspection of Open Fastener Holes in Aluminum Aircraft Structure