Home › Part 107 Practice Tests › Maintenance & Preflight Inspection Questions › Question 16
During preflight you find a loose screw securing a motor mount. What is the correct action?
- A.Tighten or replace it to the manufacturer's specification and re-inspect before flight
- B.Leave it, because the other screws will hold the motor
- C.Remove the screw entirely to save weight
Correct answer
A. Tighten or replace it to the manufacturer's specification and re-inspect before flight
Why
Loose fasteners can work further loose under vibration and lead to component failure. Fasteners should be secured as specified by the manufacturer and the area rechecked before flight.
Source: FAA-G-8082-22 Ch. 12 · ACS knowledge area: Maintenance and Preflight Inspection Procedures · From the Maintenance & Preflight Inspection practice bank (MNT-016).