Hartzell Engine Technologies Issues Alert Service Bulletin for Turbocharger Center Housings

Aeroforce turbocharger center housings P/N 441320-12 manufactured by Hartzell Engine Technologies are affected by Alert Service Bulletin No. 074

Hartzell Engine Technologies (HET) has issued a service bulletin for all turbochargers that were assembled by HET using center housing P/N 441320-12 between May 5th, 2017 and November 1st, 2017. The center housings used during this time may contain undersized bearing bores. The undersized bearing bores under certain condition can lead to premature bearing wear and potential seizure of the turbocharger. If you wish to check whether your turbocharger is affected, please look at the link below with the full service bulletin. Quality Aircraft Accessories is The Recommended Service Facility to have the center housing inspected and replaced. QAA can accomplish service bulletin compliance in 3 days at no charge to you. If you have any questions, please call us at 877-833-6948 or email us at [email protected].