AMP - Aviation Maintenance Technician Powerplant Practice Exam

The maintenance performed during an 'A' check primarily involves visual inspections and minor repairs conducted approximately every 400 flight hours. This type of maintenance is routine and aims to ensure that the aircraft remains safe and operational. 'A' checks are designed to catch any developing issues early, without the need for extensive disassembly or major repairs, making it a more frequent and less invasive maintenance task compared to other checks.

Routine visual inspections may involve checking fluid levels, looking for leaks, and examining various components for wear or damage. Minor repairs might include tasks like replacing filters or making adjustments to ensure optimal performance.

In contrast, the major overhauls and replacements associated with other types of checks, the deep cleaning of engine components, or the removal and replacement of engines are not typical of an 'A' check, which is focused on less intensive monitoring and maintenance to keep the aircraft in compliance and flying safely.