High Frequency Vibe in Pedals
Several years ago on another contract, we had a 212 that had come in after a day of flying with a logbook entry of “HIGH FREQ VIBRATION...
Swashplate Trunnion Bolts
When installing trunnion’s in any of the five positions on the swashplate be sure to install the inner retaining bolt first. The one on...
Tail Rotor Lube
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UH-1 Main Rotor System Question
Alright for those with eagle eyes, what is wrong with this Main Rotor System?
Oil Cooler Turbine
In an effort to keep fluid temps down, you might want to try this tip. With Huey II's having a larger oil cooler turbine, and to prevent...
Fitting Cap on Mast Bearing
The photo above shows a simple fitting cap. If you look close you will notice the end of the cap is domed and there is a hole in it. This...
Control Tubes
Just a quick observation on possibly an overlooked item, on something that might fall under complacency. During your heavy maintenance...
Roof Mounted Hydraulic Reservoir
Just a few thoughts on the exterior protection of the roof-mounted hydraulic reservoir. Even though when a reservoir is sometimes painted...
Inspection for Cracks on Airframe
Just to add to the excellent article by Mr. Frinchaboy, dated 17 April, I just wanted to give a short explanation as to the “WHY” cracks...
