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 505 Alert Service Bulletins

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View/DownloadASB_505-26-57.pdf22-Sep-26SEGMENTED TAIL ROTOR DRIVESHAFT BEARING HANGER ASSEMBLY, ONE-TIME INSPECTION AND REPAIR OF
View/DownloadASB_505-26-56.pdf14-Sep-26SEGMENTED TAIL ROTOR DRIVESHAFT ASSEMBLIES, ONE-TIME AND RECURRING INSPECTION AND REPLACEMENT OF
View/DownloadASB_505-26-55.pdf25-Jun-26ENGINE GAS PRODUCER RPM (Ng) VERSUS OUTSIDE AMBIENT TEMPERATURE (OAT) LIMITATION DECAL, INSTALLATION OF
View/DownloadASB_505-26-54.pdf07-May-26ROTOR BRAKE KIT CONNECTORS INSTALLATION, MODIFICATION OF
View/DownloadASB_505-26-53-RA.pdf09-Apr-26HYDRAULIC PRESSURE FILTER ASSEMBLY INSTALLATION, ONE-TIME INSPECTION AND CORRECTION OF
View/DownloadASB_505-25-50.pdf25-Mar-26PRIMARY AND MULTIFUNCTIONAL FLIGHT DISPLAY (PFD AND MFD) ELECTRICAL BONDING, VERIFICATION AND CORRECTION OF
View/DownloadASB_505-26-53.pdf18-Mar-26HYDRAULIC PRESSURE FILTER ASSEMBLY INSTALLATION, ONE-TIME INSPECTION AND CORRECTION OF
View/DownloadASB_505-26-52.pdf09-Mar-26AFT MOVABLE BALLAST BOX ASSEMBLY SLS-706-201-007, SLS-706-201-207, AND SLS-706-201-207FM BALLAST WEIGHTS, CEASE USE OF BALLAST WEIGHTS AND INSPECTION OF DOOR ASSEMBLY
View/DownloadASB_505-26-51.pdf17-Feb-26MAIN ROTOR AND DRIVE SYSTEMS COMPONENT BEARINGS, ONE-TIME INSPECTION OF
View/DownloadASB_505-25-48.pdf17-Dec-25AFT HARDPOINT INSTALLATION KIT (505-104-001) WEIGHT AND BALANCE CALCULATIONS, VERIFICATION AND CORRECTION OF
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