During landing gear maintenance, which action should be performed first to ensure safety?

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Multiple Choice

During landing gear maintenance, which action should be performed first to ensure safety?

Explanation:
Preventing motion of the aircraft is the first safety step when doing any ground maintenance. Placing wheel chocks against the tires stops the aircraft from rolling or shifting, which is the most immediate risk to personal safety and the work area. Once the aircraft is securely held in place, you can safely proceed with other safety measures like lockout/tagout to prevent unexpected energy release and de-energize hydraulic systems as needed. PPE is important for protection, but it doesn’t physically prevent movement, which is why the wheel chocks must come first.

Preventing motion of the aircraft is the first safety step when doing any ground maintenance. Placing wheel chocks against the tires stops the aircraft from rolling or shifting, which is the most immediate risk to personal safety and the work area. Once the aircraft is securely held in place, you can safely proceed with other safety measures like lockout/tagout to prevent unexpected energy release and de-energize hydraulic systems as needed. PPE is important for protection, but it doesn’t physically prevent movement, which is why the wheel chocks must come first.

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