Engine & Powerplant Inspection Procedures Flashcards
6 cards from real IA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Engine & Powerplant Inspection Procedures flashcards as text
During an annual inspection of a reciprocating engine, which component is checked for correct torque, safety, and security?
Answer: Engine mount bolts, exhaust system, and all accessory attachment hardware
The annual inspection requires checking all engine hardware including mounts, exhaust connections, and accessory attachments for proper torque and security.
What does a differential compression test on a reciprocating engine measure?
Answer: Combustion chamber integrity by comparing cylinder pressure to regulated input pressure
A differential compression test applies regulated air to each cylinder and measures the pressure retained, indicating the condition of rings, valves, and cylinder walls.
When inspecting an exhaust system during an annual, what is the primary concern?
Answer: Cracks, loose clamps, or gaps that could allow CO to enter the cabin
Cracks or leaks in the exhaust system are a critical safety hazard because carbon monoxide can enter the aircraft cabin and incapacitate the crew.
What does an IA check regarding propeller tracking during an annual inspection?
Answer: That each blade tip passes through the same plane of rotation within manufacturer limits
Propeller tracking verifies that all blades rotate in essentially the same plane; excessive deviation indicates a bent blade or flange misalignment.
An IA discovers metal particles in the engine oil filter during an annual inspection. What is the correct action?
Answer: Document the finding and determine whether the source requires further investigation before approving return to service
Metal particles in the oil filter are a potential indicator of internal engine wear or damage and require investigation to determine the source before return to service.
Which FAA document provides the minimum inspection requirements for aircraft engines during an annual inspection?
Answer: 14 CFR Part 43, Appendix A
14 CFR Part 43, Appendix D provides the minimum scope and detail of items to be covered during an annual or 100-hour inspection, including engine items.
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