EASA AD 2022-0056
Rotors Flight Control — Main Rotor Controls / Collective Levers / Stop Support Protection — Modification
Summary
EASA Airworthiness Directive 2022-0056 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters SA 330 J models. It addresses a potential flight control issue related to the main rotor controls, specifically the collective lever's secondary stop covering plate. The directive mandates a modification to ensure continued safe operation of the affected helicopters.
What Changed
This new airworthiness directive introduces a required modification replacing the covering plate of the collective lever secondary stop with self-adhesive tape. This change corrects a condition where a rivet could interfere with the collective lever fulcrum, restricting its movement. The modification is detailed in Airbus Helicopters Alert Service Bulletin SA330-67.27.
Why It Matters
This directive is critical for aviation professionals because restricted movement of the collective lever can reduce helicopter control, posing a safety risk. Operators and maintenance organizations must ensure compliance to maintain airworthiness and avoid operational restrictions. Compliance also supports regulatory adherence and prevents potential flight control malfunctions.
What To Do
Operators of SA 330 J helicopters without Airbus Helicopters modification 07 27362 must modify the collective lever secondary stop by replacing the covering plate with self-adhesive tape. This modification must be completed within 100 flight hours or 12 months from the effective date of 7 April 2022, whichever occurs first. The modification should follow the instructions in Airbus Helicopters Alert Service Bulletin SA330-67.27.
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