Collective Bounce
Original Article 02/05/2018 I have heard of at least four aircraft in the last six months having hard landings some severe, luckily with...
Radio Active Materials in T53 Engine
After knowing about this information for years I felt this is information that many may not know about, the radio active materials in the...
Troubleshooting Hydraulic Leaks
A Quick Guide to Troubleshooting Hydraulic System Internal Leaks Here in my town, there is an automobile radiator repair shop with a...
TAIL BOOM FITTING CRACK- Cal Fire
Originally Posted June 2014 These are photos showing a crack we found on a LH upper tailboom attach fitting. The crack was initiated at...
Main Rotor Retaining Nut Lock
Original Post 8/27/2018 I was contacted by a mechanic who in the process of removing a main rotor hub assembly after removing the main...
UH-1 Transmission Oil Lines
Reprint of original 4-15-2014 Blog Post In regards to the UH-1-05- ASAM-01 military message on transmission oil lines. I have personally...
Unintended Load Release Solution
There have been many unintended external load releases over the years and here is a simple way to reduce that number. Install this...
Main Rotor Drag Brace Outer Attaching Hardware
In my travels over the years I have found MANY aircraft with the main rotor outer drag brace bolt hardware incorrectly installed. General...
UH-1 Main Rotor Re-torque
This has been brought up before about a re-torque after main rotor installation. In this case the TM 55-1520-210-23-1 is not a help....
Lower Fuel Cell Floor Panels
Many lower fuel cell floor panels have been damaged in removal see attached photo. These panels should be removed every 3 & 6 phase or at...
