Design flaw did not influence LEGO Technic 42113 Bell Boeing V-22 Osprey Helicopter decision
Brickfinder - LEGO Technic Bell Boeing V-22 Osprey (42113) Instructions
LEGO Technic na 42113
RacingBrick - Here is my review video of the LEGO Technic 8434 Aircraft and NOT the LEGO Technic 42113 V-22 Osprey... actually only the 8434 Aircraft. I'm sure you know what happened,
LEGO Technic Bell Boeing V-22 Osprey (42113) 673419318655 | eBay