| 词条 | Northwest Airlines Flight 5 |
| 释义 |
| name = Northwest Airlines Flight 5 | occurrence_type = Incident | date = January 4, 1990 |image = Boeing 727-251-Adv, Northwest Airlines AN0200768.jpg |caption = An Northwest Boeing 727-251, similar to the aircraft involved in the incident. | type = In-flight engine failure and subsequent loss of the engine | site = near Madison, Florida, United States | coordinates = {{Coord|30|38|N|83|24|W|region:US-FL_type:event_scale:100000|display=inline,title}} | aircraft_type = Boeing 727-251 | operator = Northwest Airlines | tail_number = {{Airreg|N|280US}} | origin = Miami International Airport | destination = Minneapolis−Saint Paul International Airport | passengers = 139 | crew = 6 | fatalities = 0 | survivors = 145 }}Northwest Airlines Flight 5 was a flight from Miami International Airport to Minneapolis−Saint Paul International Airport, which, on January 4, 1990, suffered the loss of the number three (starboard) engine at {{convert|35000|ft|m}} in mid-flight over Madison, Florida.[1] The Boeing 727-251, operated by Northwest Airlines, took off from Miami at 08:15 EST on the morning of January 4, 1990. About an hour later, at approximately 09:10 EST, the pilots reported hearing a loud bang towards the rear of the aircraft.[1] The 14-year-old jet continued to fly normally and the crew, not knowing that an engine had fallen off,[2] flew for almost 50 minutes before carrying out a safe emergency landing at Tampa International Airport at 09:58 EST.[3] The engine, a Pratt & Whitney JT8D-15, was found a day later in a field near Madison, Florida.[3] After landing, inspection crews found the forward lavatory external seal was missing and had probably been improperly installed, causing a leakage when the plane was pressurized. The missing seal caused frozen chunks of lavatory fluid to be ingested by the number three engine thus damaging the compressor blades.[6] Upon failure the engine separated from the aircraft fuselage, as it had been designed to do.[1] The National Transportation Safety Board (NTSB) determined the probable cause of the incident to be "the failure of company service personnel to properly service the airplane forward lavatory."[4] See also{{Portal|Aviation|Florida}}
References1. ^1 2 {{cite web|url=https://www.nytimes.com/1990/01/05/us/jet-lands-after-an-engine-drops-off.html|title=Jet Lands After an Engine Drops Off|first=Eric|last=Weiner|work=The New York Times|date=January 5, 1990|accessdate=April 16, 2010}} 2. ^{{cite news|url=https://www.nytimes.com/1990/01/06/us/pilots-had-no-way-of-knowing-jet-engine-fell-off-experts-say.html|title=Pilots Had No Way of Knowing Jet Engine Fell Off, Experts Say|first=Eric|last=Weiner|work=The New York Times|date=January 6, 1990|accessdate=April 16, 2010}} 3. ^1 {{cite news|url=https://news.google.com/newspapers?nid=888&dat=19900106&id=fMsNAAAAIBAJ&sjid=VnUDAAAAIBAJ&pg=7002,187351|title=Engine that fell from airliner found in Madison County|first=Jennifer|last=Orsi|work=St. Petersburg Times|date=January 6, 1990|accessdate=April 16, 2010}} 4. ^1 {{cite web|url=http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X22451&key=1|title=MIA90IA047|publisher=National Transportation Safety Board|date=December 30, 1992|accessdate=April 16, 2010}} External links
7 : Northwest Airlines accidents and incidents|Airliner accidents and incidents caused by maintenance errors|Airliner accidents and incidents in Florida|Accidents and incidents involving the Boeing 727|Madison County, Florida|Aviation accidents and incidents in the United States in 1990|January 1990 events |
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