Powerplant Theory & Maintenance: Engine Inspections 🔊 Flashcards
What steps must be taken to prepare an aircraft for a 100-hour inspection?
Remove or open all necessary inspection plates, access doors, fairing, and cowling. Then thoroughly clean the aircraft and the engine.
What may be used as a guide for a 100-hour inspection on aircraft engines?
FAR Part 43, Appendix D
What additional inspections must be performed if the cylinder compression is weak?
Make an internal cylinder inspection for improper internal tolerances.
Where are the aircraft engine operating limitations found?
Aircraft Specifications or Type Certificate Data Sheet.
Where can a mechanic look to identify an aircraft engine?
The engine identification plate that is affixed to the engine.
What publication is needed to inspect an engine for conformity with specifications?
Engine Specifications or Type Certificate Data Sheet.
What type of FAA approval is required when a change to an engine design is not enough to require a new Type Certificate?
A Supplemental Type Certificate is required.
What type of FAA approval is required when a change is made to the engine principle of operation?
A new Type Certificate must be obtained.
What instrument used for internal inspections has been a mainstay of engine inspections for many years?
A borescope.
What additional inspection should you perform if you find a cylinder has weak compression?
Cylinder leak-down test.
How does an oil analysis program help to evaluate the internal condition of an engine?
It is a system that establishes a trend to measure engine health.
Do you perform an engine ground run after performing a 100-hour inspection?
Yes
