FAA AD 2022-20-14: Main Rotor Gearbox
ASB UH-1H-22-23 TAILBOOM ATTACHMENT HARDWARE
AD 2022-22-12-AD was prompted by reports of two in-service failures of forward crosstubes


FAA AD 2022-21-11: Main rotor blades
FAA AD 2022-07-02: Rotorcraft Tail Boom
AD 2022-01-03 Umlaut Engineering GmbH (Previously P3 Engineering)
Main Drive Shaft Airworthiness Directive
FAA SB: Risk of Potential Adverse Effects on Radio Altimeters
Main Rotor System Airworthiness Directive- Request for Comment
Rotorcraft Tail Boom Airworthiness Directive
FAA Emergency Airworthiness Directive (AD) 2021-15-52
MAIN ROTOR HUB STRAP PIN 204-012-104-005, REMOVAL FROM SERVICE
GHI informational letter UH1-98-11 dated 10-7-98 - Inspection of Upper Left Hand tailboom attachment

Proposed Rule on Main Driveshaft


Aviation Health and Usage Monitoring Systems (HUMS) for UH-1 Industry


Cracked Grips on Compsite MR Blades

FINALLY Lord T.T. Straps


Unintended Load Release Solution
Proposed AD - Failure of Tailboom Attaching Points


Main Rotor Drag Brace Outer Attaching Hardware


UH-1 Main Rotor Re-torque


Mixing Lever to Scissors Lever Control Tube


Lower Fuel Cell Floor Panels


Combustor Rumble


UH-1D/H/V Fuel System


LubriBor- Fuel Lubricity Additive


Using the TM 55-1520-210-23P manuals
SAIB-18-29R1 Rotorcraft Tail Boom, Attach Structure Failure


UH-1 Tailboom Motion Detection System
Track and Balance - The Main Rotor for Now


Dealing with Corrosion in Control Tubes/Rods
ASB UH-1H-18-20 Main Rotor Blades -113


Drive Shaft Removal Tool


Using Heat and Proper Alignment when Pressing Bearings into Critical Bores

TT Straps Time Life
DMWR FOR ROTOR BRAKE QUILL
Leading Edge Pitch Link Main Rotor to Mast Coupling Phenomenon


Main Rotor Retaining Nut Lock


Stabilizer Bar Adjustment


Collective Ground Adjustment


42 & 90 Degree Gearbox Caps

UH-1 Maintenance Training Course


Do You Really Know Your Aircraft’s Lifting Capability and Its Limitations?


Engine Igniters


Servo Mount Nuts


HYDRAULIC SYSTEM HEALTH & WELL BEING


Collective Bounce


Droop Cam Jack Shaft


Main Rotor Support and Bumpers


Recent Linear Actuator Failure