What is the correct action to take if flaps do not retract after lifting lightly on them?

In a situation where the flaps do not retract after a gentle lift, the most appropriate course of action is to seek immediate assistance. This choice prioritizes safety by ensuring the issue is evaluated by someone who may have more expertise or resources to address the malfunction. Flaps play a critical role in managing lift and drag during flight, and if they are stuck in a deployed position, it can significantly affect the aircraft's performance.

By seeking immediate assistance, the pilot ensures that the problem can be properly assessed, whether that means contacting air traffic control, consulting with maintenance personnel, or utilizing checklists that may provide guidance on how to handle flap malfunctions. This response is grounded in the principle of safety and risk management in flight operations.

The other choices involve actions that could jeopardize safety or cause further complications. For example, leaving the flaps as they are until landing ignores the potential aerodynamic issues that could arise during flight. Diagnosing the flap mechanism in-flight may not be practical and could divert attention from flying the aircraft safely. Using a manual override might not be advisable without proper guidance or understanding of the specific aircraft system, as it could further complicate the issue if the underlying problem persists. Seeking help from experienced personnel is the most responsible and safest action