Except to holder of Civil Air Transport Enterprise, each person performing an inspection required by approved maintenance program shall perform the inspection so as to determine whether the aircraft, or portion(s) thereof under inspection, meets all applicable airworthiness requirements. Each person performing an inspection on a rotorcraft shall inspect the following systems in accordance with the maintenance manual or Instructions for Continued Airworthiness of the manufacturer concerned:
1.The drive shafts or similar systems.
2.The main rotor transmission gear box for obvious defects.
3.The main rotor and center section (or the equivalent area).
4.The auxiliary rotor on helicopters.

Except to holder of Civil Air Transport Enterprise, each person performing an annual or 100-hour inspection shall follow the provisions:
1.Use a checklist while performing the inspection. The checklist may be of the person's own design, one provided by the manufacturer of the equipment being inspected or one obtained from another source.
2.Each person approving a reciprocating-engine-powered aircraft for return to service after an annual or 100-hour inspection shall, before that approval, run the aircraft engine or engines to determine satisfactory performance in accordance with the manufacturer's recommendations of:
(1) Power output (static and idle r.p.m.);
(2) Magnetos;
(3) Fuel and oil pressure; and
(4) Cylinder and oil temperature.
Detail of the annual or 100-hour inspection items contained are listed in Attachment 6.
Each person performing a progressive inspection shall, at the start of a progressive inspection system, inspect the aircraft completely. After this initialinspection:
1.Routine and detailed inspections must be conducted as prescribed in the progressive inspection schedule. Routine inspections consist of visual examination or check of the aircraft, its powerplant, propeller, component or part, insofar as practicable without disassembly. Detailed inspections consist of a thorough examination of the aircraft, its powerplant, propeller, component or part, with such disassembly as necessary.
2.If the aircraft is away from the station where inspections are normally conducted, an appropriately rated aircraft maintenance engineer, a certificated repair station, or the manufacturer whom is also certificated as repair station of the aircraft may perform inspections in accordance with the procedures and using the forms of the person who would otherwise perform the inspection.
Each person approving a turbine-engine-powered aircraft for return to service after an annual, 100-hour, or progressive inspection shall, before that approval, run the aircraft engine or engines to determine satisfactory performance in accordance with the manufacturer's recommendations.

• Attachment 6 Scope and Detail of Items (as Applicable to the Particular Aircraft) To Be Included in Annual and 100-Hour Inspections for holder of non-Civil Air Transport Enterprise.pdf