Airframe:

Fuselage: Check for structural integrity, corrosion, and damage.
Wings: Inspect for damage, deformation, fuel tank leaks, and condition of flaps and ailerons.
Empennage: Examine the horizontal and vertical stabilizers, elevators, rudders, and trim tabs.
Landing Gear: Check tires, struts, brakes, and retraction systems.
Windows and Windshields: Inspect for cracks and clarity.
Control Surfaces: Examine hinges, control rods, cables, and actuators.

Engine and Propeller:

Engine Mounts: Check for cracks and security.
Propeller: Inspect for nicks, cracks, and proper balancing.
Oil Levels: Check and top off as necessary.
Oil Filters: Inspect and replace if needed.
Oil Pumps: Ensure proper pressure and operation.
Fuel and Oil Lines: Check for leaks, condition, and security.
Exhaust System: Inspect for cracks, leaks, and proper attachment.

Oil System:

Oil Pressure Gauges: Verify correct operation and calibration.
Oil Temperature Gauges: Check for accurate temperature readings.
Breather Pipes: Inspect for clogging and secure fittings.
Oil Coolers: Inspect for leaks, airflow blockages, and general condition.

Hydraulic System (if applicable):

Pipes and Hoses: Check for leaks, abrasions, and proper clamping.
Reservoirs: Check fluid levels and for any contamination.
Actuators: Inspect for leaks and correct operation.
Valves and Pumps: Ensure they are functioning properly and without leaks.

Avionics and Electrical Systems:

Batteries: Check charge, connections, and for any signs of corrosion.
Avionics: Test operation and check for software updates.
Wiring: Inspect for chafing, wear, and secure connections.
Circuit Breakers and Fuses: Verify they are functioning and correctly rated.

Instruments and Cockpit:

Flight Instruments: Check for correct operation and signs of moisture or fogging.
Engine Instruments: Verify readings with engine manufacturer specifications.
Control Yokes/Sticks: Ensure free movement and check for backlash.
Pedals: Test for full and free movement and non-interference.

Environmental and Safety Systems:

Oxygen Systems: Check supply, pressure, and for leaks.
Fire Extinguishers: Verify charge and inspection dates.
Cabin Pressurization: Test for proper operation (for applicable models).
First Aid Kits: Check supplies and expiration dates.

Fuel System:

Fuel Tanks: Check for leaks, proper venting, and contamination.
Fuel Lines and Valves: Inspect for leaks, proper routing, and operation.
Fuel Filters: Check and replace as necessary.
Fuel Quantity Indicators: Verify accuracy and proper calibration.

Miscellaneous:

Aircraft Documentation: Ensure logbooks and maintenance records are up to date.
Emergency Equipment: Inspect life vests, rafts, and ELTs (Emergency Locator Transmitters).
Interior: Inspect seats, belts, and general cabin condition for wear and safety.