• ARP4991
• Revision: A

• 2007-02-27

• Ams Cacrc Commercial Aircraft Composite Repair Committee

This SAE Aerospace Recommended Practice (ARP) describes standard methods for restoring damaged core on commercial aircraft sandwich structures. 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.

• SAE ARP 4991

• Aerospace

• Maintenance, Repair and Service Operations
• Materials
• Composite materials
• Fabrics
• Fibers
• Glass
• Lightweight materials
• Resins
• Materials properties