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 issued a service bulletin (SB) for R44 and R22 aircraft to address potential moisture-related malfunctions in D270-1 governor controllers (Revisions A-E).
The SB mandates exchanging these affected controllers for Revision F or later versions, which incorporate improved moisture protection to prevent malfunction.
The bulletin impacts specific serial numbers of R44, R44 Cadet, R44 II, and R22 helicopters, along with spare parts shipped from October 2020 through May 2023.
Compliance is estimated to cost approximately $1,800 and take two hours per unit, with 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.
