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Discussion in 'Hangar Talk' started by Cap'n Jack, Feb 20, 2021.
Were both aircraft PWA Powered?
edit: Yes they are. See post below.
Transportation Secretary Pete Buttigieg told MSNBC that he will work with the NTSB to investigate the engine failure to "understand any lessons learned in a way that will maximize the sense of safety every time we get on a plane."
I was unaware of his expertise in the area of Turbine Engine design and failure modes. Who knew?
Looks like Fan blades might be the culprit.
And UA has grounded their 777s with the engines and Japan has banned such planes from their airspace as I understand it. Apparently there are a limited number of 777s with the Pratts.
Or maybe the duct tape finally gave way....
The report I posted is not exactly favorable to Pratt. After the Max debacle, the FAA is being very, very proactive...
Do transportation secretaries normally have expertise in turbine engine design and failure modes?
A statement from Steve Dickson, the FAA administrator. Sounds like an emergency AD has been issued already.
“Stepped up” sounds just like the 737 thing.
We knew there was a problem but we were letting everyone deal with it slowly until an engine blew up, then we “stepped up” and all the whining companies who said inspections would ruin their lives, all managed to do all of the inspections in two weeks...
Funny how that repeats.
"sense of safety"
Two bottles of whiskey for the way.
he's not wrong tho. Perception is reality. gotta keep the meatbags consuming the product.
which is the priority, actual safety or the "sense of safety"?
After Saturday’s engine failure, Boeing says many 777s should be grounded
"While the NTSB investigation is ongoing, we recommended suspending operations of the 69 in-service and 59 in-storage 777s powered by Pratt & Whitney 4000-112 engines until the FAA identifies the appropriate inspection protocol."
A bit misleading. They only want the B777 with the P&W engines grounded.
I've noticed that headlines often overstate the content of an article. I went back and added an excerpt to clarify.
Well, since actual safety is expensive, while promoting a sense of safety means you get free airtime with the news outlets, I'm thinking the priority for Pete is promoting the sense of safety.
Also, the airlines do a pretty decent job on the actual safety side of things.
United Airlines Grounds Dozens of Planes Following Engine Failure Incident
United Airlines has grounded 24 planes following this past weekend's incident where a plane's engine blew apart after takeoff on Saturday.
The Federal Aviation Administration and the National Transportation Safety Board have also launched investigations into Flight UA328, a Boeing 777, that was heading from Denver to Honolulu. The flight returned safely to Denver and was met by emergency crews.
"Based on the initial information, we concluded that the inspection interval should be stepped up for the hollow fan blades that are unique to this model of engine, used solely on Boeing 777 airplanes," FAA Administrator Steve Dickson said in a statement on Sunday, adding the agency issued an Emergency Airworthiness Directive.
Please don't misunderstand. I do believe that the airline transportation system is pretty darn safe. (In retrospect, I do see how my posts in this thread could be misconstrued)
Actually, I added the 'pretty decent job' sentence so that my earlier 'actual safety is expensive' statement wasn't thought to mean I believed corners were being cut. So I was worried about me being misconstrued.
Well, technically 24 aircraft does meet the definition of "dozens" lol. Makes it sound a bit more sensational than saying two dozen.
Well they also “grounded” at least that many more that were in storage.
Can you ground an airplane that was already grounded?
I think it's akin to being on double-secret probation.
And since I work for the company that builds the engines that are not P&W, I'm all for it!
But seriously, it's just a coincidence that two engines RUD'd a few days apart; I hold my breath and check the airplane to make sure it doesn't have GE or CFM or GHAE or EA engines.
There were 2 failures?
I only knew about the one over Denver.
Same day. (Almost) same engine. B747 out of Maastricht.
As somebody who flys between a pair of GE90-110 engines, thank you. Haven’t had an issue... yet.
I'd say that's highly improbable, but he's a smart guy who will listen to people who do.
Apparently others think so too; he was confirmed on an 86-13 vote.
Both AgentJayZ and blancolirio did some fantastic YouTube videos on these they are worth a watch..
Maybe three failures, one back in December:
Also, towards the bottom of this article:
It will very interesting to hear the service history of these engines. The PW4000-112 has been around since 1995.
Nice picture. But am I missing something about how this tells us about the service history of these engines?
Looks like NPR is a little more accurate with their headline-writing (although I'm not sure that it "blew" apart).
Boeing recommends grounding 777s with type of engine that blew apart
Images similar to these have already been posted but at lower resolution.
Investigators release preliminary findings on the United Airlines flight engine failure. Here's what we know
Well, at least they have plenty of other airplane to bring online. Will be a busy time to be a 121 mechanic.