A smooth surface after an impact

A fictional maintenance report states that a propeller experienced an obstacle impact but now looks smooth after cleaning. It supplies no approved damage evaluation, internal inspection, engine assessment or manufacturer disposition. A learner argues that no further work is needed because the exterior has no obvious crack and the recorded time is low. Another asks for the applicable inspection requirements and component history before reaching a conclusion. The task concerns the adequacy of evidence rather than instructing a repair. It provides no universal impact threshold, overhaul interval, allowable blend depth or permission for an engine run. A sound answer distinguishes visible appearance from hidden structural or retention damage and recognizes that the actual maintenance data determines the evaluation and any return-to-service decision.