ATR Planes Get Pump Failure Checklist Upgrade from FAA
Published Date: 8/27/2025
Rule
Summary
If you fly or work with ATR42-500 or ATR72-212A planes, listen up! The FAA says you need to update your checklist to handle a broken main hydraulic pump better, especially if the emergency power also fails. This change helps keep flights safe and must be done soon, with no big costs expected.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Mandatory MEL Update for ATR42/72
If you operate or maintain ATR42-500 or ATR72-212A airplanes, the FAA requires you to revise the minimum equipment list (MEL) to add new procedures when the airplane is dispatched with one inoperative main hydraulic pump. The change was issued because a failed main hydraulic pump combined with a failure of the DC EMER BUS could lead to multiple system losses, so the MEL must be updated to ensure appropriate actions are taken.
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