Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment
Superseded. Comply with 2021-0214, which replaces this document.
- Published
- Effective
- Deadline
- Replaces
- 2016-0083
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must replace components before exceeding their life limits and perform all applicable maintenance tasks within specified thresholds and intervals from the effective date. Any discrepancies found during maintenance must be corrected within the compliance times defined in the Aircraft Maintenance Manual or before the next flight if unspecified. Additionally, the approved Aircraft Maintenance Programme must be revised within 12 months of the effective date to incorporate the new limitations and tasks.
Summary
EASA Airworthiness Directive 2021-0005 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Pilatus PC-12, PC-12/45, PC-12/47, and PC-12/47E aeroplanes. It mandates compliance with updated airworthiness limitations and maintenance tasks as specified in the Pilatus PC-12 Aircraft Maintenance Manual Chapter 04-00-00. The directive addresses new and more restrictive maintenance tasks, including a new 5-year life limit for main landing gear actuator bottom attachment bolts.
What changed
EASA Airworthiness Directive 2021-0005 supersedes the previous AD 2016-0083 and introduces new and more restrictive maintenance tasks and limitations in the Aircraft Maintenance Manual. Notably, it adds a 5-year life limit for the main landing gear actuator bottom attachment bolts due to reported failures. The directive also corrects a typographical error from the original publication.
Why it matters
This directive is critical for operators and maintenance organizations to ensure the continued airworthiness and safety of Pilatus PC-12 series aeroplanes. Failure to comply with the updated maintenance tasks and life limits could result in unsafe conditions, particularly related to the main landing gear. Compliance teams must update maintenance programs to reflect these changes to avoid regulatory non-compliance and potential safety risks.
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