Home › Part 107 Practice Tests › Maintenance & Preflight Inspection Questions › Question 36
Sand and debris are visible around a motor and in cooling openings after operating from a rough site. What should be done before the next flight?
- A.Seal the cooling openings so no more debris can enter
- B.Ignore debris unless the aircraft fails to start
- C.Clean the aircraft as directed by the manufacturer and confirm motors turn freely and openings are clear
Correct answer
C. Clean the aircraft as directed by the manufacturer and confirm motors turn freely and openings are clear
Why
Debris can jam a motor, unbalance rotating parts, or block cooling. Cleaning and a freedom-of-movement check restore the aircraft to a safe condition before further flight.
Source: FAA-G-8082-22 Ch. 12 · ACS knowledge area: Maintenance and Preflight Inspection Procedures · From the Maintenance & Preflight Inspection practice bank (MNT-036).