ULPower has released Service Bulletin SB-ULP-2026-001 concerning the replacement of the RR 3-phase 3-pin connector used on certain 30A alternator/regulator installations. Affected engines sold between April 2021 and November 2023 should be inspected and updated with the new 4-pin connector assembly before the next flight.
Owners and maintenance organizations are requested to review the Service Bulletin and contact their authorized ULPower dealer for further assistance. You can find more about this report by clicking this link.
