Time Limits / Maintenance Checks – Airworthiness Limitation Items – Amendment
- Published
- Effective
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What to do
Affected operators must complete the new or revised Airworthiness Limitation Item tasks within the specified thresholds, repeat intervals, or discard times as outlined in the DHC Maintenance Requirements Manual PSM 1-84-7 Part 2. They should also ensure compliance with any superseding Temporary Revisions or later approved revisions. The effective date for compliance is 2026-09-04, and actions should be taken accordingly to maintain legal airworthiness status.
Summary
Canadian Airworthiness Directive CF-2026-37 is an amendment addressing Time Limits and Maintenance Checks for Airworthiness Limitation Items (ALI) on De Havilland Aircraft of Canada Limited DHC-8-401 and DHC-8-402 models. It mandates compliance with updated and more restrictive maintenance tasks as defined in the DHC Maintenance Requirements Manual PSM 1-84-7 Part 2. The directive applies to all serial numbers of these aircraft models and includes detailed inspection requirements for various structural components.
What changed
This amendment introduces new tasks and revises existing Airworthiness Limitation Items to be more restrictive within the DHC Maintenance Requirements Manual PSM 1-84-7 Part 2. It requires operators to complete these updated or new maintenance limitations within specified thresholds, repeat intervals, or discard times. Compliance with superseding Temporary Revisions or later approved revisions of the manual also satisfies the directive's requirements.
Why it matters
The directive ensures continued airworthiness and safety by enforcing updated maintenance standards that address potential unsafe conditions. Operators, maintenance organizations, and compliance teams must adhere to these more stringent inspection and maintenance tasks to prevent structural failures. Non-compliance could result in unsafe aircraft conditions and regulatory violations, impacting operational safety and certification.
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