RegNotify

EASA Regulations for Bombardier BD-100

5 airworthiness directives and regulatory documents affecting Bombardier BD-100.

EASA AD CF-2025-58

Time Limits/Maintenance Checks (TLMC) — Airworthiness Limitations (AWL)

Airworthiness Directive CF-2025-58 is issued by Transport Canada and applies to Bombardier Inc. model BD-100-1A10 aeroplanes, specifically the Challenger 300 and Challenger 350 series. This directive mandates compliance with updated Time Limits/Maintenance Checks (TLMC) and Airworthiness Limitations (AWL) as published in Bombardier's TLMC manuals. It ensures that new or more restrictive maintenance tasks are performed to maintain the structural integrity and airworthiness of these aircraft.

Nov 14, 2025
Airworthiness DirectiveMaintenanceSafety MgmtBombardier BD-100

EASA AD CF-2025-42

Flight Controls — Horizontal Stabilizer — Autopilot Inability to Trim Horizontal Stabilizer

Canadian Airworthiness Directive CF-2025-42 addresses an autopilot issue affecting Bombardier Inc. BD-100-1A10 (Challenger 300/350) aircraft. The directive focuses on the inability of the autopilot to trim the horizontal stabilizer, which has led to pitch upset events upon autopilot disconnect. It mandates changes to the Airplane Flight Manual to improve pilot response to related alerts.

Aug 28, 2025
Airworthiness DirectiveFlight OpsSafety MgmtBombardier BD-100

EASA SIB CASA-2025-03

Flight Controls — Unannunciated Loss of Ground Lift Dump Spoilers due to Faulty Throttle Quadrant Assembly

Transport Canada Civil Aviation Safety Alert CASA 2025-03 addresses failures in the ground lift dump spoiler system on Bombardier Inc. BD-100-1A10 (Challenger 300/350) aircraft caused by faulty throttle quadrant assemblies (TQA). The alert highlights that silicon contamination in the TQA switches can prevent ground spoilers from deploying on landing without any warning to the flight crew. This issue affects all BD-100-1A10 aircraft with serial numbers post 20806.

Apr 9, 2025
Safety Information BulletinFlight OpsMaintenanceSafety MgmtBombardier BD-100

EASA AD CF-2024-38

Flight Controls — Horizontal Stabilizer Trim Actuator (HSTA) — Incomplete Overhaul

Canadian Airworthiness Directive CF-2024-38 addresses an incomplete overhaul issue with the Horizontal Stabilizer Trim Actuator (HSTA) on Bombardier Inc. model BD-100-1A10 aircraft. The directive applies to HSTA part numbers C47100-004 and C47100-005 and requires verification and possible replacement of affected units. This directive aims to ensure continued safe flight by preventing potential failure of HSTA components.

Nov 15, 2024
Airworthiness DirectiveMaintenanceSafety MgmtBombardier BD-100

EASA AD CF-2024-17

Time Limits/Maintenance Checks — Airworthiness Limitations

Canadian Airworthiness Directive CF-2024-17 is issued for Bombardier Inc. model BD-100-1A10 aeroplanes, including Challenger 300 and Challenger 350 variants. It mandates compliance with updated Time Limits/Maintenance Checks (TLMC) and Airworthiness Limitations (AWL) as specified in the latest Bombardier TLMC publications. This directive ensures continued airworthiness by enforcing new or more restrictive maintenance tasks and intervals.

May 24, 2024
Airworthiness DirectiveMaintenanceSafety MgmtBombardier BD-100Bombardier BD-100-1A10