Which Cat indicates metal is unsound and repairs above organizational level are required?

Which Cat indicates metal is unsound and repairs above organizational level are required?

• A. Cat 2
• B. Cat 3
• C. Cat 4
• D. Cat 1

Answer: (C)

Understanding how repair categories communicate the severity of metal damage and who is authorized to fix it is essential. When metal is unsound, the problem is beyond what can be handled at the unit’s own maintenance level, so it must be escalated to a higher level. That situation is indicated by the category describing unsound metal that requires repairs above organizational level. The lower categories describe issues that can be repaired locally: surface corrosion, minor thinning, or localized damage that field or shop personnel can address with standard procedures. But once the integrity of the component is compromised beyond field capability, engineers and specialized shops must perform the evaluation and repair, or replace the component. Therefore, the category signaling unsound metal requiring repairs above organizational level is Cat 4.

Understanding how repair categories communicate the severity of metal damage and who is authorized to fix it is essential. When metal is unsound, the problem is beyond what can be handled at the unit’s own maintenance level, so it must be escalated to a higher level. That situation is indicated by the category describing unsound metal that requires repairs above organizational level. The lower categories describe issues that can be repaired locally: surface corrosion, minor thinning, or localized damage that field or shop personnel can address with standard procedures. But once the integrity of the component is compromised beyond field capability, engineers and specialized shops must perform the evaluation and repair, or replace the component. Therefore, the category signaling unsound metal requiring repairs above organizational level is Cat 4.