I-Alaska Airlines Flight 261

IAlaska Airlines Flight 261 yayiyinqwelomoya yeAlaska Airlines yenqwelomoya yaseMcDonnell Douglas MD-83 eyantlitheka kuLwandlekazi lwePasifiki nge-31 kaJanuwari, 2000, malunga 2.7 miles (4.3 km; 2.3 nmi) emantla eSiqithi sase-Anacapa, eCalifornia, emva kokulahlekelwa yintlekele yolawulo lwebala, kwafa bonke abantu abangama-88 ababekhwele apho: abaqhubi beenqwelo-moya ababini, amalungu amathathu ekhebhini, kunye nabakhweli abangama-83. Inqwelomoya yayiyinqwelomoya ecwangcisiweyo yamazwe ngamazwe esuka eLicenciado Gustavo Díaz Ordaz International Airport ePuerto Vallarta, Jalisco, Mexico, ukuya eSeattle-Tacoma International Airport kufuphi Seattle, Washington, United States, kunye nokumisa okuphakathi kwisikhululo seenqwelomoya saseSan Francisco kufuphi neSan Francisco, California .

Uphando olulandelayo lweBhodi yoKhuseleko lwezoThutho lweSizwe (NTSB) lunqume ukuba ukugcinwa okunganeleyo kwakhokelela ekuguqweni okugqithisileyo kunye nokusilela ekugqibeleni kwenkqubo yokulawula indiza ebalulekileyo ngexesha lokuhamba. Unobangela onokwenzeka wachazwa "kukuphulukana nolawulo lokuma kwenqwelo-moya okubangelwa kukungaphumeleli kwinqwelo-moya ye- horizontal stabilizer trim system jackscrew assembly's trapezoidal nut threads . Ukusilela komsonto kubangelwe kukunxitywa okugqithisileyo okubangelwa kukungathobi ngokwaneleyo kwe -Alaska Airlines kwindibano yejackscrew. " Ngemizamo yabo yobugorha yokusindisa inqwelomoya, bobabini abaqhubi beenqwelomoya emva kokufa kwabo bawongwa ngeMbasa yeGolide yeAir Line Pilots.