The FAA today issued an airworthiness directive effective immediately that grounds all Cessna Citation CJ 525, 525A and 525B models operating with Tamarack active load alleviation system (ATLAS) winglets installed in accordance with STCSA03842NY. The agency said malfunctioning of the ATLAS could lead to loss of control of the entire aircraft.
FAA Grounds Citation 525s With Tamarack Winglets
Key Takeaways:
- The FAA has immediately grounded all Cessna Citation CJ 525, 525A, and 525B models equipped with Tamarack active load alleviation system (ATLAS) winglets.
- The grounding is due to concerns that a malfunctioning ATLAS could lead to a loss of aircraft control, a stricter measure than the European Aviation Safety Agency's (EASA) earlier directive for temporary deactivation.
- Affected aircraft are grounded until an FAA-approved modification is incorporated (estimated at $175), though ferry permits are allowed under specific restrictions like no passengers and limited flight parameters.
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