ALERT SERVICE BULLETIN NO. DB-040A – POWER TRAIN – Ring Gear Carrier Assembly – To Implement a Reduction in Service Life
ENGINE CONTROL SYSTEM – Adjustment of Power Controls – Revise N2 Restrictions for Rolls-Royce® Turbine Engine Operation and Installation of Engine N2 Avoidance Placard
CABIN AND CENTER FRAME SECTION-Cabin Doors-One-time Inspection of Airframe and Door Mounted Hinge-Halves for Proper Sizing and Plunger Pin to Lug Engagement
POWER TRAIN SYSTEM – KAflex® Driveshaft – One-Time Inspection of KAflex® Assemblies for Axial Play and Installation of Bolt (NAS6605-25)
CABIN AND CENTER FRAME SECTION – Cabin Doors – One-time Inspection of Airframe and Door Mounted Hinge-Halves for Proper Sizing and Plunger Pin to Lug Engagement
POWER TRAIN SYSTEM – Kaflex® Drive Shaft – One-Time Inspection for the Correct Bolt that Attaches the Drive Adapter to KAflex® Assembly
MAIN ROTOR AND CONTROL SYSTEM – Pilot’s Collective Pitch Control Stick – One-Time Inspection of Collective Pitch Control Torque Tube
CABIN AND CENTER FRAME SECTION-Cabin Doors – One-time Inspection of Airframe and Door Mounted Hinge Halves for Proper Sizing and Plunger Pin to Lug Engagement
POWER TRAIN – Belt Drive Transmission Assembly – One-Time Inspection of the Belt Drive Transmission Upper Pulley Installation for Correct Torque, Parts Configuration and Stack-up, Damage and/or Wear
