Following a well-publicized ground fire on December 27, 2019, beginning in the cabin of a Cirrus Vision Jet in Santa Monica, the company released a service bulletin (SBA5X-23-03) on February 7 to correct the problem, which was traced to a potential malfunction of the audio interface circuit card that could have resulted in the overheating of the cards. Cirrus also released a customer communication missive to outline the company’s steps to resolve the problem.
FAA Releases AD on Cirrus Vision Jet
Key Takeaways:
- A December 2019 ground fire in a Cirrus Vision Jet (SF50) cabin was attributed to overheating audio interface circuit cards.
- Cirrus responded by issuing a service bulletin, which the FAA subsequently mandated through an emergency Airworthiness Directive (AD 2020-03-05).
- The FAA's directive prohibits flights until the faulty cards are removed, though 97% of the over 170 SF50 aircraft fleet had already complied at the time of issuance.
- Removing the 12 affected cards, which provide audio/mic for 1/8-inch passenger jacks, disables those smaller jacks but does not impact the aircraft's primary aviation headset jacks.
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