Flight Controls — Flight Control Primary Computer — Modification / Replacement
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Airbus A330-202, A330-203, and A330-243 aeroplanes must modify or replace the three FCPCs with software standard MRTT4 within 9 months from 19 September 2018. After modification, the AFM Temporary Revision 528 can be removed if the aircraft has the specified AOA sensor configurations. Installation of any FCPC software earlier than MRTT4 is prohibited after compliance or from the effective date for certain aircraft groups.
Summary
EASA Airworthiness Directive 2018-0196 is an airworthiness directive affecting Airbus A330-202, A330-203, and A330-243 aeroplanes equipped with Flight Control Primary Computer (FCPC) software standard MRTT3 or earlier. The directive mandates modification or replacement of the FCPC software to a newer standard MRTT4 to enhance Angle of Attack (AOA) blockage detection and improve flight safety. It also allows removal of a previously required operational procedure from the Aircraft Flight Manual after compliance.
What changed
EASA Airworthiness Directive 2018-0196 introduces a requirement to upgrade the FCPC software to the MRTT4 standard by modifying or replacing the three FCPCs on affected Airbus A330 models. This upgrade addresses shortcomings in the previous software's ability to detect AOA blockages. Additionally, the directive permits removal of the AFM Temporary Revision 528 operational procedure once the upgrade is completed.
Why it matters
This directive is critical for aviation professionals because it mitigates the risk of undetected AOA blockages that could lead to unintended Alpha protection activation and reduced aircraft control. Operators and maintenance organizations must ensure compliance to maintain aircraft airworthiness and safety. The upgrade also streamlines operational procedures by removing outdated AFM revisions, reducing pilot workload and potential confusion.
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