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2026-14-09

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: The existing maintenance or inspection program may not incorporate new or more restrictive airworthiness limitations, which could result in inadequate maintenance and inspections, leading to undete...

Effective: Aug 18, 2026 Category: aircraft Compliance: before further flight

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-14-01

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: Missing or under torqued fasteners on the slat 2 cove rib 6 brackets.

Effective: Aug 14, 2026 Category: aircraft

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-11-07

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Jul 20, 2026 Category: aircraft

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-11-06 Recurring

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: Cracked barrel nuts at the wing front spar and horizontal stabilizer to vertical stabilizer joint.

Effective: Jul 9, 2026 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2026-13-52

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: Missing or broken high pressure valve (HPV) butterfly clips may lead to unintended operation of the HPV, potentially resulting in loss of bleed air system functionality and degraded wing anti-ice s...

Effective: Jul 7, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-10-12 Recurring

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: Failure of the gravity cross flow shut-off valve or damage to the motive flow fuel-feed tubes could result in loss of fuel feed and subsequent engine flameout.

Effective: Jul 1, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-10-07

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: Titanium fasteners were incorrectly installed in the butt strap at the outer wing box lower skin to center wing box interface instead of the required nickel alloy fasteners.

Effective: Jul 1, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-10-10

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: Environmental control system (ECS) ducts manufactured using a certain material failed the flammability test requirements.

Effective: Jul 1, 2026 Category: aircraft Compliance: before further flight

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-09-18

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: Inappropriate tooling was used to torque the bolts securing the baggage door stop fittings, which may have resulted in an improper torque condition.

Effective: Jun 26, 2026 Category: aircraft

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-08-07

final rule

Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: Cracks in elevator power control unit (PCU) brackets (fittings) and the elevator front spar.

Effective: Jun 3, 2026 Category: aircraft

Why matched: Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2026-08-04

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: The approach speed adders and landing distance factors in the airplane flight manual (AFM) tables for the non-normal procedure of the SLAT FAIL (Caution) crew alerting system (CAS) message are inco...

Effective: May 29, 2026 Category: aircraft

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-08-02 Recurring

final rule

Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: Loose horizontal stabilizer (H-stab) anti-yaw steady fitting block bolts could result in reduced structural integrity of the H-stab assembly.

Effective: May 26, 2026 Category: aircraft

Why matched: Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2026-07-04

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: During a quality check in production, it was found that some of the tie rods supporting the overhead stowage compartments in the passenger cabin did not have enough thread engagement of the turnbuc...

Effective: May 11, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-07-01

final rule

Airworthiness Directives; Bombardier Inc. Airplanes

Unsafe Condition: uncommanded nose wheel steering due to loose nosewheel steering rudder pedal potentiometer universal coupling setscrews

Effective: May 8, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Bombardier Inc. Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2026-06-06

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: Inadequately secured and installed wire harnesses could create a chafing condition leading to a source of ignition, and when combined with an oxygen leak as well as loss of ventilation, may lead to...

Effective: May 1, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

2026-07-07

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: The outflow valve (OFV) direct current (DC) motor could potentially be inoperative when used in high differential pressure conditions, leading to total loss of cabin pressure control, excessive dif...

Effective: Apr 17, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-04-04

final rule

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

Unsafe Condition: Reports of certain fuel transfer float valves failing in the closed position, preventing normal fuel transfer between the center and wing fuel tanks.

Effective: Apr 8, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2026-05-05 Recurring

final rule

Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: The repetitive bending of the PCU output rod due to the PCU rod end spherical bearing seizing will eventually lead to fatigue failure.

Effective: Mar 23, 2026 Category: aircraft Compliance: Within 200 hours airtime or 3 months, whichever occurs first.

Why matched: Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2026-04-02

final rule

Airworthiness Directives; BRP-Rotax GmbH & Co KG (Formerly BRP-POWERTRAIN GMBH & CO KG and Bombardier-Rotax GmbH) Engines

Unsafe Condition: an occurrence was reported of the M40 x 1.5 collar nut that had not been installed on the propeller gearbox of a recently manufactured engine, which could result in the propeller shaft being pulled...

Effective: Mar 19, 2026 Category: propeller Compliance: Before further flight

Why matched: Airworthiness Directives; BRP-Rotax GmbH & Co KG (Formerly BRP-POWERTRAIN GMBH & CO KG and Bombardier-Rotax GmbH) Engines

Technical illustration of an aircraft propeller assembly
Problem area Propeller

2025-14-51

final rule

Airworthiness Directives; Bombardier Inc. Airplanes

Unsafe Condition: Discrepancies in the locking features on certain network interfaces could result in unapproved access to these network interfaces.

Effective: Mar 4, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Bombardier Inc. Airplanes

2026-02-06

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: The overhaul required by certificate maintenance requirement (CMR) task 27-40-00-104* was not fully completed on some units, resulting in some parts that were required to be replaced on the affecte...

Effective: Feb 25, 2026 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-01-07

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: Potential structural, control system, and navigational system failures could result in loss of control of the airplane.

Effective: Feb 20, 2026 Category: aircraft Compliance: Within 12 months of the effective date (February 20, 2026).

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes

2026-02-03

final rule

Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: Failure of the elevator autopilot control cable may cause jamming of the elevator servo drum, restricting elevator movement in one direction. An elevator servo drum jam during the landing phase can...

Effective: Feb 5, 2026 Category: aircraft Compliance: Within 5 months after the effective date of this AD.

Why matched: Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2025-25-03

final rule

Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Unsafe Condition: reduced structural integrity and reduced controllability of the airplane

Effective: Jan 16, 2026 Category: aircraft Compliance: Within 90 work-hours

Why matched: Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

2025-24-11

final rule

Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition: An accumulation of fuel in the APU muffler caused by a drainage block in the muffler, which could lead to an uncontrolled fire in the APU bay.

Effective: Jan 16, 2026 Category: aircraft Compliance: Within 90 work-hours

Why matched: Airworthiness Directives; Bombardier, Inc., Airplanes