On 20th Jan 2020 at 16:03 pm during Rig down operation, well testing crew completed loading of two air compressors on a flat bed trailer. After loading is completed, Heavy truck driver from sub contractor company secured compressors with cargo belts and then moved the truck towards wellsite. While approaching the well pad (300 meters from the loading point) compressor that was placed on the back of the trailer rolled off from the trailer (approx. 1.6 m) and landed on the ground. Driver immediately stopped the trailer. Minor damaged sustained to the compressor housing. No injuries were reported.