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 its R44 and R22 aircraft to address potential moisture-related malfunctions in certain D270-1 governor controllers (revisions A through E).
The SB requires exchanging affected controllers for Revision F or subsequent versions, which incorporate additional moisture protection.
This directive impacts specific serial number ranges of R44 and R22 helicopters and spare parts, with compliance estimated at $1,800 and two hours per unit, and a deadline of February 29, 2024.
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.