You should check with the NHTSA to see if similar problems have been reported, this is dangerous to you and other road users also, these frames are built so cheaply but unless the defects are reported they will never be forced to build them safely instead of cheaply. Good luck.
"Well that didn't go as expected"
2015 Chev 2500HD Highcountry Duramax
Cedar Creek Silverback 33IK
Donald&Casey cairn terrier
Rest in Peace Mary my darling wife.
Scottish by birth Canadian by time.