EASA AD 2022-0028
Aircraft Flight Manual / Section Normal Procedures — Amendment / Navigation — Master Minimum Equipment List — Integrated Standby Instrument System — Amendment / Flight Controls — Elevator Aileron Computer System - Modification
Summary
EASA Airworthiness Directive 2022-0028 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus A319, A320, and A321 aeroplanes with specific affected Elevator Aileron Computer (ELAC) systems. This directive addresses potential unsafe conditions related to erroneous airspeed indications during take-off caused by certain ELAC standards. It mandates amendments to the Aircraft Flight Manual and Master Minimum Equipment List, as well as modification of the flight control system through ELAC upgrades.
What Changed
EASA Airworthiness Directive 2022-0028 supersedes the previous AD 2021-0150 and requires the replacement of affected ELAC units with serviceable upgraded versions. It also mandates removal of temporary revisions to the Aircraft Flight Manual and Master Minimum Equipment List after the modification is completed. The directive introduces new compliance requirements for operators to ensure stable flight path control during take-off by addressing erroneous airspeed indications.
Why It Matters
This directive is critical for aviation professionals because it mitigates the risk of unstable flight paths caused by inconsistent airspeed data during take-off, which could lead to reduced aircraft control. Operators and maintenance organizations must comply to ensure continued airworthiness and safe operation of affected Airbus A319, A320, and A321 aircraft. Compliance also ensures adherence to European Union aviation safety regulations and avoids operational disruptions.
What To Do
Operators of affected Airbus A319, A320, and A321 aeroplanes must amend the Aircraft Flight Manual and Master Minimum Equipment List within 7 days after 28 June 2021 if not already done. They must replace affected ELAC units with serviceable ones within 9 months after 8 March 2022, the effective date of this AD. After modification, the temporary revisions must be removed from the manuals within 3 months, and no affected ELAC units may be installed thereafter.
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