Archer Flaps On The Ground
When you're doing pre-flight on the Archer, sometimes the flaps will hang at full deployment when you're lowering the johnson bar (flap handle).
DON'T lower the bar if the flaps aren't retracting (you can feel there's no weight on the bar), because they will slam up when you start the engine and potentially cause damage. Either leave the flap handle "full" until the engine is running, then the airflow will help the flaps retract as you lower the bar. Or, push the button on the johnson bar and jiggle it up and down and the flaps will then usually follow the bar.
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If one gently sets the flaps, they are less likely to get stuck in the full-flap position