下列哪项不属于航空器维修记录

Surface damage at the interface between elements of the joints resulting from very small angular or linear movements. Evidence of fretting is usually the production of fine black powder staining.

an area of a component＇s surface that has been pierced through or into its interior.

categorized as Repair Category A

categorized as Repair Category B

categorized as Repair Category C

Fan rotor blades for:FOD caused cracks or tears.

雷达罩检查时将雷达罩分为几个区域

雷达罩锁扣附近有一凹坑尺寸为45mm

雷达罩锁扣有一烧蚀点，且操作不正常

雷达罩锁扣有一烧蚀点，操作正常