Airworthiness DirectiveEASA AD BR-2019-12-01

Superseded by ANAC BRAZIL AD 2021-02-01

Published: Dec 13, 2019
Effective: Dec 9, 2019
Deadline: Dec 14, 2019

Embraer ERJ 190 300 400

AI-generated summary of the official EASA document. Verify against the PDF before acting.

What to do

Operators of Embraer ERJ 190-300 and ERJ 190-400 aircraft must revise the Section 4 - Abnormal and Emergency Procedures of their AFM within 5 days of the directive's effective date by inserting the new electronic bay smoke procedure as specified. They should also disregard certain previous procedures and messages as outlined, and ensure flight crews are familiar with the updated emergency handling steps. Alternative compliance methods may be approved by ANAC's certification branch if requested.

Summary

The Brazilian Emergency Airworthiness Directive EAD No. 2019-12-01 issued by ANAC applies to all Embraer S.A. ERJ 190-300 and ERJ 190-400 aircraft of all serial numbers. It addresses an issue where the smoke detection system in the forward and aft electronic bays may falsely indicate smoke presence during a complete loss of the electrical DC essential bus 2, leading to potentially unsafe electrical shutdown procedures. This directive mandates a revision of the Airplane Flight Manual (AFM) procedures related to electronic bay smoke warnings to ensure safe aircraft operation.

What changed

EAD No. 2019-12-01 introduces a revised procedure in the AFM for handling electronic bay smoke warnings, replacing the previous procedure with detailed steps to manage electrical bus failures without causing total loss of essential electrical power. It provides specific instructions for pilots on managing autopilot, autothrottle, electrical switches, and emergency landing configurations to maintain flight safety during such events.

Why it matters

This directive is critical for aviation professionals as it prevents inadvertent loss of all essential electrical power during false smoke warnings, which could compromise critical aircraft systems and flight safety. Operators and maintenance teams must update their manuals and train crews accordingly to ensure compliance and safe handling of these emergency situations. Compliance ensures continued airworthiness and regulatory adherence for affected Embraer ERJ 190 aircraft.

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