No it hadn't. There were problems with engines, which were being rectified, moving from NK-15 to NK-33. Fifth flight of N-1 would likely use NK-33 and had a hig

No it hadn't. There were problems with engines, which were being rectified, moving from NK-15 to NK-33. Fifth flight of N-1 would likely use NK-33 and had a high chance to succeed, given reliability of multiple-use NK-33s and almost-successful first stage flight in 4th attempt.