Airworthiness DirectiveEASA AD BR-2019-06-01

Wings - Wing Lower Skin Stringers - Inspection

Published: Jun 18, 2019
Effective: Jun 17, 2019
Deadline: Jun 17, 2019

Embraer ERJ 190 100 200

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

What to do

Operators of affected Embraer ERJ 190 aircraft must perform a detailed inspection of the wing lower skin stringers before reaching 17,000 flight cycles or 27,000 flight hours, or within 680 flight cycles or 900 flight hours after the AD effective date if those limits have been exceeded. Repetitive inspections must continue at intervals not exceeding 680 flight cycles or 900 flight hours. Any detected cracks or fuel leaks must be repaired before the next flight following approved methods.

Summary

Brazilian Airworthiness Directive 2019-06-01 is an official regulatory document issued by the Agência Nacional de Aviação Civil (ANAC) addressing structural inspections on Embraer S.A. ERJ 190 series aircraft, specifically models ERJ 190-100 and ERJ 190-200 with certain serial numbers. The directive mandates inspections of wing lower skin stringers between ribs 7 and 10 on both half wings to detect cracks and fuel leakage risks. This AD applies to aircraft registered in Brazil and aims to maintain structural integrity and flight safety.

What changed

This new airworthiness directive introduces mandatory detailed and special detailed inspections of the wing lower skin stringers on specified Embraer ERJ 190 aircraft to identify and repair structural cracks and fuel leaks. It establishes initial and repetitive inspection intervals and specifies repair requirements if damage or leakage is found. The directive also provides guidance on inspection methods and access procedures.

Why it matters

This directive is critical for aviation professionals as it addresses potential structural cracks that could compromise wing integrity and cause fuel leaks, posing safety hazards. Operators and maintenance organizations must comply to prevent in-flight failures and ensure continued airworthiness. Compliance helps avoid unplanned downtime and costly repairs by detecting issues early.

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