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Landing gear and wheel bays must be kept free from build-up of slush, ice or
accumulations of blown snow.
Do not spray de-icing fluid directly onto hot wheels or brakes.

When removing ice, snow or slush from aircraft surfaces, care must be taken to prevent it entering and accumulating in auxiliary intakes or control surface hinge areas, i.e. remove snow from wings and stabilizer surfaces forward towards the leading edge and remove from ailerons and elevators back towards the trailing edge.
Do not close any door until all ice has been removed from the surrounding area.
A functional flight control check using an external observer may be required after de-icing / anti-icing. This is particularly important in the case of an aircraft that has been subjected to an extreme ice or snow covering.
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B3.5.4 Checks

● Final check before aircraft dispatch
No aircraft should be dispatched for departure under icing conditions or after a de-icing / anti-icing operation unless the aircraft has received a final check by a responsible authorized person.
The inspection must visually cover all critical parts of the aircraft and be performed from points offering sufficient visibility on these parts (e.g. from the de-icer itself or another elevated piece of equipment). It may be necessary to gain direct access to physically check (e.g. by touch) to ensure that there is no clear ice on suspect areas.
● Pre takeoff check
When freezing precipitation exists, it may be appropriate to check aerodynamic surfaces just prior to the aircraft taking the active runway or initiating the takeoff roll in order to confirm that they are free of all forms of frost, ice and snow. This is particularly important when severe conditions are experienced, or when the published holdover times have either been exceeded or are about to run out. When deposits are in evidence, it will be necessary for the de-icing operation to be repeated. If the takeoff location cannot be reached within a reasonable time, and/or a reliable check of the wing upper surface status cannot be made from inside the aircraft, consider a repeat aircraft treatment.
If aircraft surfaces cannot adequately be inspected from inside the aircraft, it is desirable to provide a means of assisting the flight crew in determining the condition of the aircraft. The inspection should be conducted as near as practical to the beginning of the departure runway.
When airport configuration allows, it is desirable to provide de-icing/anti-icing and inspection of aircraft near the beginning of departure runways to minimize the time interval between aircraft de-icing / anti-icing and takeoff, under conditions of freezing precipitation.
B3.5.5 Flight crew information / communication
No aircraft should be dispatched for departure after a de-icing / anti-icing operation unless the flight crew has been notified of the type of de-icing / anti-icing operation performed. The ground crew must make sure that the flight crew has been informed. The flight crew should make sure that they have the information. This information includes the results of the final inspection by qualified personnel, indicating that the aircraft critical parts are free of ice, frost and snow. It also includes the necessary anti-icing codes to allow the flight crew to estimate the holdover time to be expected under the prevailing weather conditions.
　
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