Robinson Helicopters has issued a service bulletin for its R44 and R22 aircraft to address potential issues with certain governor controller upgrades. [Courtesy: Robinson Helicopters]
Key Takeaways:
Robinson Helicopters has issued a Service Bulletin (SB) for R44 and R22 aircraft concerning potential D270-1 governor controller malfunctions caused by moisture incursion.
The SB affects controllers with part number D270-1, revisions A through E, which were factory-installed on specific R44 and R22 serial numbers or shipped as spare parts between October 2020 and May 2023.
Compliance requires exchanging the affected controllers for Revision F or later versions, incorporating enhanced moisture protection, by February 29, 2024, at an estimated cost of $1,800 and two hours of labor per unit.
Robinson Helicopters has issued a service bulletin (SB) for its R44 and R22 aircraft to address potential issues with certain governor controller upgrades.
According to the FAA, service bulletins are issued by aircraft manufacturers to inform owners and operators about “critical and useful information on aircraft safety, maintenance, or product improvement.”
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Meg Godlewski has been an aviation journalist for more than 24 years and a CFI for more than 20 years. If she is not flying or teaching aviation, she is writing about it. Meg is a founding member of the Pilot Proficiency Center at EAA AirVenture and excels at the application of simulation technology to flatten the learning curve. Follow Meg on Twitter @2Lewski.
