Engine Fire Extinguishing Tube - Rework / Inspection / Replacement / Installation
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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 rework the left-hand engine pylon access panel retainer, inspect and replace the engine fire extinguishing tube if damaged, and install a new support part. These actions must be completed within 1250 flight hours or 6 months from July 11, 2022, whichever occurs first. Compliance must be recorded in maintenance logs and may use approved alternative methods if authorized by ANAC.
Summary
Brazilian Airworthiness Directive AD No. 2022-07-01 is a regulatory document issued by the National Civil Aviation Agency of Brazil (ANAC) addressing Embraer S.A. ERJ 190-300 and ERJ 190-400 aircraft. It mandates inspection, rework, replacement, and installation procedures related to the engine fire extinguishing tube and associated components to ensure proper functioning of the engine fire extinguishing system.
What changed
This new directive introduces mandatory rework of the left-hand engine pylon access panel retainer, inspection and possible replacement of the engine fire extinguishing tube, and installation of a new support part. It specifies part numbers for replacement components and provides credit for prior compliance with earlier service bulletin revisions. The directive also establishes alternative methods of compliance procedures and requires use of Embraer Service Bulletin 190E2-54-0006 revision 01 dated May 6, 2022.
Why it matters
This directive addresses a latent failure caused by friction marks on the engine fire extinguishing tube that could impair the fire extinguishing system's effectiveness, posing a safety risk. Aviation professionals must ensure compliance to maintain airworthiness and flight safety. Operators and maintenance organizations need to update maintenance records and perform required inspections and modifications within the specified timeframe to avoid operational restrictions.
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