During the preflight inspection of a small unmanned aircraft system (sUAS), the remote pilot-in-command (RPIC) notices a small crack on one of the propeller blades. According to FAA requirements, what is the most appropriate action for the RPIC to take?

Following a flight, during your post-flight inspection, you notice a small nick on one propeller blade of your small UAS. As part of basic maintenance procedures, what is the recommended action?

A Part 107 remote pilot performs a preflight inspection and discovers a frayed control wire on the sUAS. The pilot repairs it according to the manufacturer's instructions before flight. During a subsequent FAA compliance audit, which record keeping practice best demonstrates adherence to appropriate procedures?

During a preflight inspection for a Part 107 operation, the remote pilot in command (RPIC) discovers that a propeller on the sUAS is damaged. Which persons may perform the propeller replacement?

The remote pilot in command (PIC) of a small unmanned aircraft system (sUAS) operation asks a friend who is not a remote pilot to replace the battery before the next flight. Does 14 CFR part 107 permit this?

Prior to a preflight inspection, a remote pilot reviews the sUAS maintenance logbook. The last inspection was recorded at 100.0 total flight hours. Since that time, the following flight durations have been logged: 45 minutes, 1 hour 15 minutes, 2 hours, and 30 minutes. How many hours of flight time have accumulated since the last inspection?

After completing a series of mapping flights with your sUAS, you notice a hairline crack developing near the hub of one propeller blade during your post-flight basic maintenance check. The crack is not visible from a distance but is apparent upon close inspection. What is the most appropriate basic maintenance action to take before conducting the next flight?