that crash was caused by pilot error. they consider the 777 among the safest planes. >> it's nice to step on the land. >> reporter: united passengers spent seven hours inside a gymnasium on the island waiting for united to send in another plane after a harrowing ride. >> el with, harrowing indeed. alexandra steele joining us from new york. what have they decided? >> there was some kind of problem with an equipment cooling fan. they say the problem has been fixed. the plane's returned to hawaii. next it will head back to san francisco where, fred, it will be put back into service. >> all right. alexandra steele, thanks for bringing that to us. he's bringing his search to justice to cnn. he's telling us what it's like to constantly deal with the bad side of humanity.