- Clean the aircraft
- Sub appendix D in Part 43 requires that all inspections begin with cleaning and degreasing the aircraft.
- A clean aircraft makes it easier to find cracks and other structural defects
- Logbook research and AD compliance
- Airworthiness directives are issued by the FAA to prevent failure of flight critical parts.
- Mechanics are supposed to research and comply with any applicable ADs but it is the operators responsibility to ensure they have been completed
- A good inspection will include a list of all applicable ADs and when/how they were complied with
- Inspection of the aircraft
- Aircraft should be run-up and compression test performed on the cylinders
- Oil change performed
- Oil drained from engine
- Oil filter cut and inspected for signs of metal contamination
- Fresh oil added and new filter installed on engine
- Engine should be cleaned, degreased, and inspected
- Airframe should be inspected
- Any issues or discrepencies should be noted on a list
- Repair of issues/discrepencies
- Inspecting mechanic may sign off aircraft as unairworthy until the discrepencies are addressed
- Inspecting mechanic may perform repairs as neccessary to address discrepencies
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