EASA SIB FA-24-2012
EMBRAER ERJ 170/175 and ERJ 190/195 Aeroplanes — Landing Gear — Brake Carbon Disks Damage
Summary
The EMBRAER ERJ 170/175 and ERJ 190/195 Aeroplanes — Landing Gear — Brake Carbon Disks Damage Flight Alert FA Nº 24/2012 is a regulatory document addressing brake carbon disk damage issues on these aircraft models. It informs operators about potential carbon disk brake failures during normal operation that can lead to runway contamination by brake debris. The alert provides updated maintenance instructions to detect and prevent brake assembly failures.
What Changed
This Flight Alert cancels and supersedes Flight Alert Nr. 06/2011 and introduces an additional maintenance action to be included in the operator's maintenance program. It revises the Airplane Maintenance Manual (AMM) to include detailed inspection procedures for carbon brake rotors and stators during every main wheel change, regardless of brake assembly part number or flight cycles. It also mandates the inclusion of a fast check brake assembly wear-pin inspection task in the maintenance program.
Why It Matters
This update is critical for aviation professionals because damaged carbon disk brakes can cause debris contamination on runways, which poses risks of engine ingestion and failure, as well as interference with landing gear and flap mechanisms. Operators and maintenance teams must proactively identify and remove damaged brake assemblies to avoid unscheduled removals and potential safety hazards. Compliance ensures safer operations and reduces the risk of costly incidents related to brake failure.
What To Do
Operators of EMBRAER ERJ 170/175 and ERJ 190/195 airplanes must revise their maintenance programs to incorporate the revised AMM tasks for main wheel removal and brake assembly inspection. Detailed visual inspections of carbon brake rotors and stators must be performed at every main wheel removal, regardless of part number or flight cycles. Additionally, the brake assembly wear-pin fast check must be included in the maintenance program. Routine general visual inspections of brake wear indicators should continue every 14 days or 120 flight hours as per existing requirements.
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