Airworthiness DirectiveEASA AD BR-2023-11-02

[Correction] KIDDE AEROSPACE & DEFENSE - Overheat Detection System - Inspection / Replacement

Published: Nov 23, 2023
Effective: Nov 21, 2023
Deadline: Nov 21, 2026

Embraer ERJ 190

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

What to do

Operators of affected Embraer ERJ 190-100 and ERJ 190-200 aircraft must inspect and, if necessary, replace the ODS sensing elements in the APU bleed line, wing anti-ice supply ducts, and wing bleed system within 7,500 flight hours or 36 months from November 21, 2023. Follow the detailed procedures in Embraer Service Bulletin 190-36-0027 revision 02 and ensure any sensor deactivations comply with the operator's Minimum Equipment List restrictions. Maintain records of inspections and replacements as required by ANAC.

Summary

The Brazilian Airworthiness Directive 2023-11-02 Correction is an erratum issued by the Agência Nacional de Aviação Civil (ANAC) concerning Embraer S.A. ERJ 190 series aircraft. It addresses inspection and potential replacement of Kidde Aerospace & Defense Overheat Detection System (ODS) sensing elements in various bleed lines and wing anti-ice ducts. The directive applies to specific ERJ 190-100 and ERJ 190-200 variants as identified in Embraer Service Bulletin 190-36-0027 revision 02.

What changed

This erratum corrects a printing error in the original AD 2023-11-02 by clarifying the compliance times for inspection and replacement tasks. The corrected compliance time requires actions to be completed within 7,500 flight hours or 36 months after the AD's effective date, whichever occurs first. It modifies paragraphs related to inspection intervals for ODS sensing elements in multiple bleed system locations.

Why it matters

This correction ensures operators and maintenance organizations have accurate compliance timelines to address a latent failure risk in the ODS sensing elements caused by a manufacturing quality escape. Proper adherence prevents potential ignition sources in fuel tanks, which could lead to serious safety hazards including damage to electronic boxes and wing structures. Accurate compliance timing is critical for maintaining flight safety and regulatory conformity.

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