Home › Part 107 Practice Tests › Maintenance & Preflight Inspection Questions › Question 54
The aircraft was exposed to drizzle while being packed up. What should be checked before powering it on for the next flight?
- A.Nothing, because brief moisture exposure cannot affect electronics
- B.That connectors, battery contacts, and openings are dry and free of moisture or corrosion
- C.That the camera lens is the only part wiped dry
Correct answer
B. That connectors, battery contacts, and openings are dry and free of moisture or corrosion
Why
Moisture in connectors and openings can cause shorts, corrosion, and erratic behavior. Drying and inspecting electrical connections before applying power protects the system.
Source: FAA-G-8082-22 Ch. 12 · ACS knowledge area: Maintenance and Preflight Inspection Procedures · From the Maintenance & Preflight Inspection practice bank (MNT-054).