联邦航空管理局(FAA)发布安全警报,要求航空公司检查旗下的波音737
900ER飞机,原因是这款机型同样装有内嵌式舱门,设计与较早前舱壁飞脱的737 MAX 9相同。
《纽约时报》报道,FAA在21日晚上表示,737-900ER虽然属于上一代机型,和737
MAX不同,至今其内嵌式舱门也未出现问题,但基于相关设计一样,航空公司为了安全起见,应安排维修人员马上检测,确保舱门固定在正确位置。
根据波音公司的资料,内嵌式舱门共有4颗螺丝,其中两颗位于舱门上方,余下两颗位于下方铰接支架,共同将舱门固定封闭,若航空公司采用座位更加紧密的配置,飞机需要因应乘客人数,舱门可以改建为紧急出口。在2007至2019年间,波音向全球交付约500架737-900ER机型,但并非全部飞机都安装这种内嵌式舱门。
按照FAA的纪录,所有737-900ER已经飞行400万个周期,累计时间超过1100万小时。而在这次安全警报发出后,波音表示全力支持FAA和航空公司检查飞机。机队中均有737-900ER的阿拉斯加航空(Alaska
Airlines)和联合航空(United Airlines)表示,已开始检查同型号飞机,达美航空(Delta
Airlines)则说,已采取积极措施检查737-900ER机队。
阿拉斯加航空一架波音737 MAX
9型客机,本月初飞行期间舱壁飞脱。国家运输安全委员会(NTSB)事后发现,松脱的内嵌式舱门未有固定。FAA旋即宣布所有MAX
9飞机停飞,并且调查波音有否确保飞机安全。
-->
`,
"script":[]
}
, "gg_rightside": {
"html":`
`,
"script":[{"type":"text/javascript","src":"//widgets.outbrain.com/outbrain.js","async":"async"}]
}
, "gg_duturandom": {
"html":`
`,
"script":[]
}
, "gg_square": {
"html":`
`,
"script":[]
}
, "gg_topbanner": {
"html":`
`,
"script":[]
}
, "gg_middlesquare": {
"html":`
`,
"script":[]
}
, "gg_dutu": {
"html":`
`,
"script":[]
}
, "gg_botline": {
"html":``,
"script":[]
}
, "gg_dututop": {
"html":`
`,
"script":[]
}
, "gg_shipintop": {
"html":`
`,
"script":[]
}
, "gg_inContent": {
"html":`
`,
"script":[]
}
, "gg_shipinrandom": {
"html":``,
"script":[]
}
, "gg_sideSticky": {
"html":`
`,
"script":[]
}
, "gg_bottombanner": {
"html":`
`,
"script":[{"type":"text/javascript","src":"//widgets.outbrain.com/outbrain.js","async":"async"}]
}
, "gg_marquee": {
"html":`
`,
"script":[]
}
}
const adEnv={
"gg_header": {
"html":``,
"script":[{"type":"text/javascript","exec":` var googletag = googletag || {}; googletag.cmd = googletag.cmd || []; var pbjs = pbjs || {}; pbjs.que = pbjs.que || []; `},{"type":"text/javascript","src":"https://adncdnend.azureedge.net/adn-hb/adn.wnx2.js","async":""},{"src":"https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js","async":"","data-ad-client":"ca-pub-7528949385909099"},{"type":"text/javascript","src":"https://adncdnend.azureedge.net/adn-video/WenxuecityPlayer.js","async":"async"}]
}
}
const wxcEnv = {
"base":{
"exe":[],
"src":[
{"src": "/news/js/recommendednews.js","defer":"true"},
{"src":"/js/wxcFunc.js","defer":"true"}
]
},
"func":{
"exe":[
//展示评论
'function showMoreComments(){let n = 3;for(let i=0;i
2){dom.hide();}}$("#showallcomment").show();$("#showlesscomment").hide();};',
],
"src":[
//图片,搜索,QR code
{"src": "/news/js/view.js?v=05132024"},
//计数器
{"src":"//count.wenxuecity.com/service/count/script/do.php?type=news&id=125382906&n=0&out=jsval","defer":"true"},
]
}
}
function wxcCode(){
wxcEnv.base.exe.forEach(x=>{
let tag = buildAdcode(x);
document.head.append(tag);
})
wxcEnv.base.src.forEach(src => {
let tag = buildSrc(src)
document.head.append(tag);
});
wxcEnv.func.exe.forEach(x=>{
let tag = buildAdcode(x);
document.body.append(tag);
})
wxcEnv.func.src.forEach(src => {
let tag = buildSrc(src)
document.body.append(tag);
});
}
function adcode(){
let adkey = Object.keys(ads);
adkey.forEach(x=>{
let code = ads[x].html;
let div = document.getElementById(x);
if(div)div.innerHTML = code;
ads[x].script.forEach(s=>{
if(Object.keys(s).indexOf('src')===-1){
let tag = buildAdcode(s.exec);
document.body.append(tag);
}else{
let tag = buildSrc(s);
document.body.append(tag);
}
})
})
}
function baseCode(){
let baseKeys = Object.keys(adEnv);
baseKeys.forEach(x=>{
adEnv[x].script.forEach(s=>{
if(Object.keys(s).indexOf('src')===-1){
let tag = buildAdcode(s.exec);
document.head.append(tag);
}else{
let tag = buildSrc(s);
document.head.append(tag);
}
})
})
}
function buildAdcode(script){
let tag = document.createElement('script');
tag.innerHTML = script;
return tag;
}
function buildSrc(obj){
let keys = Object.keys(obj);
let tag = document.createElement("script");
keys.forEach(key=>{
tag.setAttribute(key, obj[key]);
})
return tag ;
}