Airworthiness Directives › 2025-25-03

AD 2025-25-03: MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Published December 12, 2025 · effective January 16, 2026 · 90 FR 57680 · Docket No. FAA-2025-2261

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What the FAA requires

The FAA is adopting a new airworthiness directive (AD) for all MHI RJ Aviation ULC Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2C11 (Regional Jet Series 550), CL-600-2D15 (Regional Jet Series 705), CL-600-2D24 (Regional Jet Series 900), and CL-600-2E25 (Regional Jet Series 1000) airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.

Read the full directive on the Federal Register →

Applicability

This AD applies to all MHI RJ Aviation ULC (Type Certificate previously held by Bombardier, Inc.) airplanes, certificated in any category, identified in paragraphs (c)(1) through (5) of this AD. (1) Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes. (2) Model CL-600-2C11 (Regional Jet Series 550) airplanes. (3) Model CL-600-2D15 (Regional Jet Series 705) airplanes. (4) Model CL-600-2D24 (Regional Jet Series 900) airplanes. (5) Model CL-600-2E25 (Regional Jet Series 1000) airplanes. (d) Subject Air Transport Association (ATA) of America Code 05, Time Limits/Maintenance Checks. (e) Unsafe Condition This AD was prompted by a determination that new or more restrictive airworthine

Part numbers this directive names

This directive does not name specific part numbers in its text; it applies by aircraft model. See the applicability above and the manufacturer's service bulletin it references.

Rulemaking history

  • Proposed rule (NPRM) published August 21, 2025 · read
  • Final rule published December 12, 2025, effective January 16, 2026

Other recent directives, MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

Source: Federal Register, FAA final rules under 14 CFR part 39, refreshed daily. Part numbers are extracted from the directive text by pattern and may include service-bulletin or kit numbers; the directive itself is the authority. Watch any part number on its page and we email you when a new directive or service difficulty report names it.

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