EASA AD 2019-0100
Aircraft Flight Manual — Landing Distance Determination Procedure — Amendment
Summary
EASA Airworthiness Directive 2019-0100 is an amendment concerning the Airbus A340-541, A340-542, A340-642, and A340-643 aeroplanes. It addresses the Aircraft Flight Manual (AFM) landing distance determination procedures to correct inconsistencies in brake failure entries affecting landing performance calculations. This directive applies to all manufacturer serial numbers of the specified Airbus A340 models.
What Changed
This amendment requires the incorporation of updated AFM procedures that correct the data file used for landing performance computation when in-flight braking failures occur. The updated procedures ensure accurate identification of inoperative brakes and proper calculation of landing distances and brake energy. The changes were introduced to prevent incorrect landing distance computations and potential brake energy exceedance.
Why It Matters
Accurate landing distance calculations are critical for safe aircraft operations, especially when braking system failures occur. Incorrect computations could lead to brake fires, tire bursts, or runway excursions, posing safety risks to the aircraft and occupants. Compliance with this directive ensures operators maintain safe landing performance and adhere to regulatory requirements for continued airworthiness.
What To Do
Operators must amend the applicable Airbus A340 AFM within 30 days of the effective date by incorporating the specified AFM procedures and inform all flight crews accordingly. Subsequent incorporation of later approved AFM revisions that include these procedures is also acceptable. Continued operation of affected aircraft must follow the updated AFM procedures to comply with this directive.
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