Browse Standards ARP4991
Historical ISSUED 1998-12-01

Core Restoration of Thermosetting Composite Components ARP4991

This SAE Aerospace Recommended Practice (ARP) describes standard methods for restoring damaged core on commercial aircraft sandwich structures. It currently applies to wet lay up repairs only. The methods shall only be used when specified in an approved repair procedure or with the agreement of the Original Equipment Manufacturer (OEM) or regulatory authority. The repair materials shall be defined in the approved repairs referencing these methods.
ARP4991A
2014-02-03
Latest
Reaffirmed
ARP4991
1998-12-01
Historical
Issued

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