Doors — Passenger Door — Rapid Opening

Published: Nov 26, 2021
Effective: Dec 8, 2021
Deadline: Dec 8, 2021

Bombardier BD-700 1A10 1A11

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

What to do

Operators and maintenance personnel must use the revised AMM tasks dated May 19, 2021, or later when performing maintenance on passenger doors of the specified Bombardier BD-700-1A10 and BD-700-1A11 aircraft. Compliance with this directive is required within 30 days from its effective date of December 8, 2021. No immediate rework of previous maintenance is mandated, but future maintenance must follow the updated procedures.

Summary

The Canadian Airworthiness Directive CF-2021-41 titled "Doors — Passenger Door — Rapid Opening" applies to Bombardier Inc. BD-700-1A10 and BD-700-1A11 aircraft with serial numbers 9002 to 9998 and 60001 to 60045. This directive addresses issues related to the rapid opening of passenger doors that can cause significant damage and safety risks. It mandates the use of revised Aircraft Maintenance Manual (AMM) tasks to ensure proper maintenance of the passenger doors.

What changed

CF-2021-41 introduces a requirement to use updated AMM tasks issued on or after May 19, 2021, for maintenance of passenger doors on the affected Bombardier aircraft. These revised procedures correct previous errors that contributed to uncontrolled rapid door openings. The directive does not require immediate rework of past maintenance but ensures future work complies with the updated instructions.

Why it matters

This directive is critical for operators and maintenance organizations to prevent damage to passenger doors and avoid safety hazards to personnel caused by rapid door openings. Compliance ensures that maintenance practices align with the latest safety standards, reducing the risk of injury and costly repairs. It also supports regulatory compliance under Canadian aviation regulations.

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