Boeing 737 simple english wikipedia, the free encyclopedia. Boeings new twinengine 777x successfully completes maiden flight. Boeings new ge9x jet engine proves bigger is better wired. The federal aviation administration issued a warning to airlines on friday the 27th of september, requesting that they conduct inspections for structural cracking and apply appropriate repairs. The cracking has been found on older 737 ng aircraft in some other fleets, and involves a structure which is responsible for ensuring the integrity of the wing to fuselage join. The 777 fuselage crosssection remains unchanged, so the decision was made to harvest the hardwon 787 technology but retain a metal fuselage. The 737 is the only narrowbody airliner that boeing is making. Faa warned of cracking and corrosion problem on boeing 777s. The part subject to cracking is called a pickle fork, which is responsible for holding a 737s wing structure to the fuselage. The faa has issued an air worthiness directive ad for high time boeing 737 ngs, requiring immediate inspections for cracks in their wing attachments called pickle forks. At 8 feet, 4 inches, the 737 max 9 fuselage is 8 feet, 8 inches longer than the 737 max 8, which was the first family member produced and is currently undergoing flight testing. The fuel filter was changed and this requires that the engine is then run.
May 19, 2016 opening cowl and thrust reverser on boeing 777 engine ge9090b opening the fan and core cowling on a ge9090b jet engine. I just confirmed the statement that the 777 engine nacelle is wider than the 737 fuselage yep, its true. Ingraffeas investigation focused on the part of the 737s fuselage design that also figures in the case of southwest flight 812, the lap joints, where the two layers of skin are held together. Faa expands boeing 737ng crack inspections news flight global. One passenger died and several others were injured when a boeing 737 operated by southwest en route from new york to dallas suffered a serious engine blowout. The faa has issued a new ad for all boeing 737 following the cracks found on several 737 ngs where the wing is attached to the fuselage. Sep 29, 2019 the cracks are appearing in the support known as a pickle fork, a component that helps attach the wings to the fuselage, reported komotv in seattle, where boeing has its factory, citing unnamed. Jin airs 737ng with cracks repaired and returned to service. The faa called monday for inspections of older boeing 737s, after an incident on friday in which the roof tore off southwest. The issue was first reported by charlie harger of komo radio station in seattle. Apr 14, 2017 a british airways boeing 777 suffered a catastrophic engine failure on takeoff from las vegas last week, with fire and debris shooting into the wing and fuselage. Undecided is whether the fuselage will be traditional metal alloys or new alloys. Boeing has new safety problems with older version of the 737 cnn.
First 737 max 9 fuselage arrives at final assembly site. The 737 fuselage is therefore about 2 ft 3 in, or 25%, larger than the 777 engine diameter. A fuselage is designed with overlapping sheets of metal riveted together. It is the worlds largest twinjet and has a typical seating capacity for 314 to 451 passengers, with a range of 5,235 to 9,380 nautical miles 9,695 to 17,372 km. Id like to now ask about the boeing 757s engine and fuselage diameters.
Debris from the engine damaged the airplane fuselage, creating a hole and resulting in a loss of cabin pressure. It was initially conceived as an enlarged version of the 767, but it grew to 85% of the 747 in actual size, and sports a wingspan of nearly 200 feet and a fuselage approximately 11 feet in diameter. List of accidents and incidents involving the boeing 737. A new method for building 777 fuselages is being developed as part of boeings ongoing technology investment strategy. Fuselage of new boeing 777x ruptured in pressure tests. Jin airs 737ng with cracks repaired and returned to service news. If one engine is inside the fuselage tail section and can close side intake scoops and streamline engine bypass cowling, then range will increase as drag is a lot lower with one engine out of the air steam, and the remaining outside engine will have a higher engine rpm, hence higher efficiency using less fuel for the needed thrust. What causes an airline fuselage to rupture midflight.
Nov 20, 2019 the jumbo opened international travel to the mass consumer market when it was introduced in 1970, but four engine jets have fallen from favor as airlines switched to more efficient twin engine. After inspection of all the airlines older model 737 300s, small subsurface fuselage cracks were also found on two boeings, which may require repairs. The rolls royce trent 800 series turbofan engines used on the boeing 777 have a maximum diameter of 9 ft 2 in 2. Have any occurred at your partial namesake carrier. In todays video, i take a look at where the cracking has been found and what boeing alongside the faa is doing to sort out the issue.
Inspections around the world after a jet engine failed earlier this year on a. Qantas engineers call for airline to ground its 737s after. This tired old aircraft is a 737 200 and the patching is clearly visable. Built using lightweight carbon fiber and 3d printing, the ge9x is as wide as a boeing 737 fuselage yes, its a plane engine the size of. Its passenger seating and range combination put it in a unique niche that. Jul 14, 2014 a new method for building 777 fuselages is being developed as part of boeings ongoing technology investment strategy. Boeing 777 cracks in fuselage warning issued two days before disappearance malaysia airlines were warned two days before mh370 disappeared that their boeing 777 planes may be at risk. Boeing 757 engine size there was a question here about the boeing 777 engine diameter. Qantas has launched an inspection campaign for 33 out of their 75 boeing 737800s, after cracks were identified on an aircraft in brisbane. Two other models the 737 max 7 and the 737 max 200 will come later. The boeing 777 is a widebody airliner developed and manufactured by boeing commercial airplanes, commonly referred to as the triple seven.
Apr 03, 2011 widespread cracks found on southwest jet. Mar 14, 2020 few 737 frames are used like the aloha frame, in comparable environment. A pickle fork is the part that helps attach a planes fuselage to its wing structure. Faa asks airlines to inspect boeing 737 ng jets after. There are many more checks today looking for corrosion. The carbon fibertitanium wings alone weigh 6% less than the 777200lr or 300ers, despite the fact the 8x9x have much larger. Oct 31, 2019 qantas was reportedly inspecting 33 of its 737 ng fleet yesterday in light of the recent concerns about pickle fork cracks. The ge9x engine is the biggest turbine engine in the world. Southwest airlines sought more time for inspections before boeing 737s engine. The cracks are appearing in the support known as a pickle fork, a component that helps attach the wings to the fuselage, reported komotv in seattle, where boeing has its factory, citing unnamed. We uncovered at least 28 different warnings regarding flaws or defects.
Boeings 777x fuselage was ripped apart during structural. One the most famous examples of an aircraft failure from fatigue was aloha airlines flight 243, a boeing 737 that suffering a partial failure of the fuselage in 1988, partly due to metal fatigue. The number of passengers it can carry ranges from 85 to 215. In 2002, a china airlines jet plummeted into the water, killing 225 passengers. The boeing 777 is a family of longrange widebody twinengine jet airliners developed and manufactured by boeing commercial airplanes. At nearly feet in diameter, the ge9x is the largest jet engine ever built. The fuselage of boeings upcoming 777x aircraft was split by a highpressure rupture just as it approached its target stress level during a test in early september, the seattle times reported on.
Each plug has a zipper that allows the foam to be removed and dried if necessary. Sep 12, 2011 a fuselage is designed with overlapping sheets of metal riveted together. A cracking and corrosion problem on boeing 777s that could lead to the midair breakup of the aircraft prompted a warning from air safety regulators weeks before the disappearance of malaysia. Boeing 777x fuselage split during september stress test. In 1995, the ge90 engine debuted aboard a british airways 777 airplane along with commercial aviations firstever carbonfiber composite fan blades. Nov 27, 2019 the fuselage of one of boeings new 777x aircraft completely ruptured in pressure tests in september, a previously unreported major setback that could delay the arrival of the longhaul jet to global skies, afp has learned from informed sources. Originally developed as a shorter, lowercost twinengine airliner derived from the 707 and 727, the 737 has developed into a family of several passenger models with capacities from 85 to 215 passengers. Dec 19, 2016 the 737 max is being assembled exclusively in renton, wash. On the boeing 777, why does the tail exhaust port vent to. The biggest jet engines ever seen are now hanging from the longest wings on any boeing plane.
Ingraffeas investigation focused on the part of the 737 s fuselage design that also figures in the case of southwest flight 812, the lap joints, where the two layers of skin are held together. In engineering, the simplest solution is usually the best. The boeing 737 is a twin jet narrowbody airliner built by boeing. The fuselage of one of boeings new 777x aircraft completely ruptured in pressure tests in september, a previously unreported major setback that could delay the arrival of the longhaul jet to global skies, afp has learned from informed sources. Ahead of the new 777x jets rollout, boeing offered a first look at its jawdropping ge9x engines. After the aloha 737200 accident, in which a 12ft x 8ft section of the upper fuselage tore away in flight, all 737s with over 50,000 cycles must have their lap joints reinforced with external doublers. Nov 27, 2019 theres potential for the fuselage to burst while in flight, maybe the first flight, maybe not the first flight, maybe not the second, but the potential grows with each flight. Here we see cracks in the crown, the other day it was the pickle fork. The cracks were discovered on high time aircraft which were torn down for conversion to. Almost as if fuselage cracks have been a constant problem on the 737, both classic and ng. Fourteen years earlier, an aloha airlines 737 opened up like a sardine can, killing one person and injuring eight more. Apr 18, 2019 after the aloha 737 200 accident, in which a 12ft x 8ft section of the upper fuselage tore away in flight, all 737 s with over 50,000 cycles must have their lap joints reinforced with external doublers. How far can a 777 fly with just one engine at altitude.
The 777x was asked for by airlines like emirates and lufthansa, but they wanted an aircraft in service before 2020. He reported cracks were found in the reinforced fuselage frames, which are the main attachments of the wing to the 737 ng fuselage. The incidents that come quickly to my mind have been either older or high cycle airframes. At roughly the size of an entire boeing 737s fuselage, it was subjected to test flights last march when a single turbine was hitched to.
Serious cracking issue identified on boeing 737 ng. Or, as the publicists at general electric put it, if kobe sat on shaqs. Eight cracked engine blades found in jets after southwest death. Early ge90 engine models boasted outputs between 74,000 and 94,000 lbs. Boeing didnt expect 737 cracks so soon travel news nbc. After inspection of all the airlines older model 737300s, small subsurface fuselage cracks were. Unexpected cracking found on critical boeing 737 next generation. Why its not a composite fuselage, and going with a. Feb 07, 2008 is the fuselage of 737 the width of a 777 engine. Can anyone point me to a source of information regarding highly detailed dimensions of the 777 i am modelling the aircraft in 3d. The aircraft made an emergency landing in pensacola, florida. If one engine is inside the fuselage tail section and can close side intake scoops and streamline engine bypass cowling, then range will increase as drag is a lot lower with one engine out of the air steam, and the remaining outside engine will. Us probes large crack in boeing 737 jet news dw 14. Southwest 737 accident kills passenger, raises engine concerns.
However, the 737 has become a family of nine different models. This tired old aircraft is a 737200 and the patching is clearly visable. At roughly the size of an entire boeing 737 s fuselage, it was subjected to test flights last march when a single turbine was hitched to. It helps manage the stress, torque and aerodynamic forces that. There are supposed to be inspections to look for potential cracks, he said. The jumbo opened international travel to the mass consumer market when it was introduced in 1970, but fourengine jets have fallen from favor. The 737 max is being assembled exclusively in renton, wash. Cracks in the aluminum skin of an aircraft are commonplace, but the hole that opened up in the cabin of southwest. In the engine shop the exhaust ducts are installed and the engines go. Few 737 frames are used like the aloha frame, in comparable environment. Boeing 747 nears end of line as supplier shuts a storied.
A serious cracking issue has been identified on some boeing 737 next generation aircraft, prompting the manufacturer to contact airlines. Theres potential for the fuselage to burst while in flight, maybe the first flight, maybe not the first flight, maybe not the second, but the potential grows with each flight. Southwest airlines flight 3472, a 737700, experienced an uncontained engine failure in flight from new orleans, louisiana to orlando, florida. The same is true in deciding to re engine the 737 rather than proceeding with a new design. The faa called monday for inspections of older boeing 737s, after an incident. Faa issues airworthiness directive for 737 fuselage. Qantas to inspect 33 boeing 737800s after finding cracks. Originally developed as a shorter, lowercost twin engine airliner derived from the 707 and 727, the 737 has developed into a family of several passenger models with capacities from 85 to 215 passengers. Boeing didnt expect 737 cracks so soon travel news. At least three ryanair boeing 737s have been grounded due to cracks between the wing and fuselage but this was not disclosed to the public. A similar cracked blade caused another failure on a southwest 737700 on aug. The cracks are part of a worldwide issue affecting all variants of the 737 next generation ng series and have been found on pickle forks, which are structural components used to attach wings to the fuselage.
The worlds hugest jet engine is wider than a 737s fuselage. Boeings 737 in another pickle leeham news and analysis. First 737 max 9 fuselage arrives at final assembly. The cracks are on what is known as a pickle fork, a part of the fuselage that helps to attach the wings to the aircraft. The engine of boeing 777 next to the fuselage of a boeing 737. Apr 05, 2011 what causes an airline fuselage to rupture midflight. Jan 04, 2019 the ge9x engine is the biggest turbine engine in the world. The biggest jet engines ever seen are set to roar on boeings.
Opening cowl and thrust reverser on boeing 777 engine ge9090b opening the fan and core cowling on a ge9090b jet engine. Southwest 737 accident kills passenger, raises engine. Qantas was reportedly inspecting 33 of its 737 ng fleet yesterday in light of the recent concerns about pickle fork cracks. Cracking issue discovered on some boeing 737ng aircraft. At first, boeing was making it to be a shorter, cheaper airliner than its 707 and 727. Shrapnel broke a passenger window and penetrated the fuselage. Why didnt boeing opt for a carbon fiber fuselage on its. Imo the limits for flight hours and cycles are rather high on the 737ng.
This is the first time such technology will be used by boeing to manufacture commercial airplanes, and the 777 program is leading the way, said elizabeth lund, vice president and general manager of the 777 program and everett, wash. Cracks in the aluminum skin of an aircraft are commonplace, but. Faa asks airlines to inspect boeing 737 ng jets after cracks found the cracks have been found in a part called a pickle fork, which helps attach a planes fuselage to its wing structure. Each flight cycle stresses the fuselage and the stresses can lead to cracks that weaken the structure. I suspect putting one on a 737 would slightly overstress the airframe, not to mention it was tough enough to fit the cfm56 on it, necessitating moving the accessory gearbox to the side of the engine rather than the bottom since they didnt have much ground clearance, hence the weird squashed cowling you see on modern 737s. A british airways boeing 777 suffered a catastrophic engine failure on takeoff from las vegas last week, with fire and debris shooting into the wing and fuselage. Opening cowl and thrust reverser on boeing 777 engine ge90. The 777 was designed to bridge the gap between boeings 767 and 747, and to replace older dc10s or l1011s. Since the apu is going to be used on the ground about 99. When you look at a 757 directly from the front, it seems that the engines are at least as wide as the fuselage.