EASA AD 2019-0110
Engine — Torque Conformation Box — Check
Summary
The document titled 'Engine — Torque Conformation Box — Check' is a technical directive concerning the SAFRAN HELICOPTER ENGINES: ARRIEL 2 engine model. It addresses inspection and verification procedures for the torque conformation box component to ensure engine reliability and safety. This directive is relevant for operators and maintenance organizations managing helicopters equipped with the ARRIEL 2 engine.
What Changed
This document introduces a mandatory check procedure for the torque conformation box on the ARRIEL 2 engine. It specifies inspection criteria and maintenance actions required to confirm torque integrity. The directive aims to prevent potential engine malfunctions related to torque transmission components.
Why It Matters
Ensuring the torque conformation box is functioning correctly is critical for engine performance and flight safety. For aviation professionals, this directive helps identify and mitigate risks of engine failure, reducing unscheduled maintenance and improving operational reliability. Compliance supports adherence to safety standards and regulatory requirements.
What To Do
Operators and maintenance teams must perform the torque conformation box check as outlined in the document. They should follow the specified inspection procedures and take corrective actions if discrepancies are found. Any compliance deadlines or intervals for repeat inspections should be strictly observed to maintain airworthiness.
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