هذا هو الإعلان، وشكرا لكم رأي
The US carrier Southwest Airlines has laser cutting equipment grounded for inspection about 80 of its planes after a hole laser cutting system opened up in mid-air in the roof of one of its laser machine aircraft.
Investigators have ruled out terrorism, but so laser cutting machine far have not been able to establish the cause of the laser cutter rupture.
The hole caused a sudden drop in cabin pressure, and Flight 812 from Phoenix laser cutting to Sacramento was forced to make a steep descent and emergency laser cutting machine landing.
One flight attendant was slightly laser cutter injured during the incident on Friday.
Witnesses said a couple of people aboard the Boeing 737-300 nearly laser cutting passed out while scrambling for oxygen laser engraver masks.
There were 118 passengers and crew on board laser engraver the 15-year-old plane.
An FBI spokesman said terrorism was not suspected and "it appears to laser engraving machine be a mechanical laser engraving issue".
Passenger Brenda Reese said the plane had just laser engraving machine left Phoenix when she heard a "gunshot-like laser engraving sound".
"It's at the top of the plane, right up above mini laser engraver where you store your luggage," she told the Associated Press desktop laser engraver by telephone from the plane.
"The panel's not completely off. It's vinyl cutter like ripped down... When you look up through the panel, you can see vinyl cutter the sky."
She said the plane had "dropped pretty cutting plotter quick".
Another woman on board said: "They had just taken drink orders cutting plotter when I heard a huge sound and oxygen masks came laser tube down.
"There was a hole in the fuselage about three feet desktop cnc router long. You could see the insulation and the wiring. You could see mini cnc router a tear the length of one of the ceiling PCB cnc router panels."
Aviation officials said the pilot made controlled cnc router descent, dropping 8,000m (25000ft) from 11,000m in about five cnc routers minutes.
The National Transportation Safety Board said cnc wood router an "in-flight fuselage rupture" led to the sudden descent and drop in woodworking cnc router cabin pressure.
"We do not know the cause of the wood cnc router decompression," Federal Aviation Administration spokesman Ian Gregor plotter said.
The same thing happened to another Southwest jet in 2009. Then, metal large format plotter fatigue was the cause.
in 1988, cracks caused a hole to open wide format plotter in an Aloha Airlines plane over Hawaii. In that incident, a flight cnc stone router attendant died.
A Mexican human rights organisation says thousands cnc granite router of people have disappeared in Mexico since 2006.
Mexico's human rights commission, CNDH, said 5,397 people had stone cnc router been reported missing since President Felipe Calderon declared war granite cnc router on the drug cartels.
A United Nations study has flash stamp machine suggested the security forces may have played a part in the disappearance of Pre Inked stamp some of those missing.
Mr Calderon has deployed 50,000 troops as part of self Inking stamp his war on the cartels.