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Started By
Message
787’s unexpected altitude change prompts FAA proposed airworthiness directive
Posted on 11/17/25 at 9:30 am
Posted on 11/17/25 at 9:30 am
I did a search and didn't see this posted. If there was a post I didn't find it.
If the link messes up I apologize.
LINK
The Federal Aviation Administration plans to require airlines to replace mode control panels (MCP) on Boeing 787s due to a malfunction that could cause the jet’s systems to make uncommanded altitude changes.
The regulator on 14 November released a proposed airworthiness directive to address the issue by requiring operators to complete a fix described in a service bulletin issued by Boeing in April.
If the link messes up I apologize.
LINK
The Federal Aviation Administration plans to require airlines to replace mode control panels (MCP) on Boeing 787s due to a malfunction that could cause the jet’s systems to make uncommanded altitude changes.
The regulator on 14 November released a proposed airworthiness directive to address the issue by requiring operators to complete a fix described in a service bulletin issued by Boeing in April.
4
Posted on 11/17/25 at 9:33 am to dupergreenie
what is mind blowing to me is that Boeing put a bulletin out in April - and the Fed has to step in and force people to get the fix.
Posted on 11/17/25 at 9:34 am to dupergreenie
One more reason that, unless I have absolutely no other option, I have sworn off of commercial air travel.
Posted on 11/17/25 at 9:35 am to Thracken13
quote:
and the Fed has to step in and force people to get the fix.
Cost factor.....
Can they stretch out the time to replace it to save as much $$ as possible....
Posted on 11/17/25 at 9:37 am to Darth_Vader
quote:
Darth_Vader
This is your preferred method of travel
Posted on 11/17/25 at 9:37 am to Thracken13
quote:
what is mind blowing to me is that Boeing put a bulletin out in April - and the Fed has to step in and force people to get the fix.
Yeah if there was a post about this I couldn't find it.
And the link I posted claims that there were no 'incidents' but thats not true.
The video I saw about the two were on Facebook but I wasn't going to link it because I know how much the board loves Facebook links.
Posted on 11/17/25 at 9:40 am to thejudge
quote:
Cost factor.....
Its about 400k to fix the problem.
I'm well aware about the 'lost revenue' with the plane being out of service.....but
I would figure that a crashed 787 and the lawsuits would be more costly.
Posted on 11/17/25 at 9:43 am to AlextheBodacious
quote:
This is your preferred method of travel
1. Heated seat
2. Apple CarPlay
3. Stop when I want
4. Better travel meal options than a tiny bag of peanuts or small cookie and a small cup of Sprite
5. Zero chance of plunging from 30,000 feet to my death because the under qualified DEI hire didn’t properly torque some random bolt.
Posted on 11/17/25 at 9:45 am to Darth_Vader
quote:
This is your preferred method of travel
1. Heated seat
2. Apple CarPlay
3. Stop when I want
4. Better travel meal options than a tiny bag of peanuts or small cookie and a small cup of Sprite
5. Zero chance of plunging from 30,000 feet to my death because the under qualified DEI hire didn’t properly torque some random bolt.
Have you tried flying private?
Posted on 11/17/25 at 9:47 am to Darth_Vader
quote:
5. Zero chance of plunging from 30,000 feet to my death because the under qualified DEI hire didn’t properly torque some random bolt.
CONS:
1. could possibly get decapitated under a semi being driven by an Indian who's CDL test was taken by a rather large black woman wearing a fake mustache somewhere in the State of New York.
Posted on 11/17/25 at 9:59 am to Darth_Vader
quote:
1. Heated seat
If that's your number one factor in how you travel, wear thicker underwear.
quote:
2. Apple CarPlay
I have a cool app on my phone that allows me to play music. I even have wireless headphones.
quote:
3. Stop when I want
Don't really need to stop when I can go from DC to Denver in 3.5 hours. Of course you need to stop a lot when you're driving because that's a 28 hour drive.
quote:
4. Better travel meal options than a tiny bag of peanuts or small cookie and a small cup of Sprite
Did you know you can bring your own food on the plane? Some airports even have restaurants.
quote:
5. Zero chance of plunging from 30,000 feet to my death because the under qualified DEI hire didn’t properly torque some random bolt.
You are a 1,000 times more likely to die from a immigrant truck driver with a forged CDL and zero English speaking ability.
Posted on 11/17/25 at 10:03 am to Thracken13
quote:
Boeing put a bulletin out in April - and the Fed has to step in and force people to get the fix.
There are several types of bulletins issued by a Manufacturer. Customer Service Notices, Service Bulletins and Alert Service Bulletins. Though recommended, they may or may not be mandatory . Most Operators will comply if it is applicable to the equipment they are maintaining.
If the Manufacturer deems that the previously issued Bulletin should now be considered a mandatory compliance, they can request that an Airworthiness Directive be issued by the FAA at which time an AD will be issued which usually incorporates the ASB within the compliance steps.
Posted on 11/17/25 at 10:16 am to Thracken13
You have a >95% chance of arriving alive to your destination. That’s pretty much a sure thing. Nothing to worry about.
Posted on 11/17/25 at 10:31 am to Gee Grenouille
quote:
taken by a rather large black woman wearing a fake mustache
Why do you assume it's fake?
Posted on 11/17/25 at 10:44 am to WarBoudin
trust me I know - I flew for work every 2 weeks for 20+ years and never had concerns.
I get there is costs involved - but it just baffles me that you operate flying tin cans, and a bulletin about an issue would come out stating a need for a correction, and you still willfully do nothing about it......just shitty imho.
that said, if anything bad did happen, then the airline would just sue Boeing over it and not be out anything when the inevitable litigation would be levied by victims families.
I get there is costs involved - but it just baffles me that you operate flying tin cans, and a bulletin about an issue would come out stating a need for a correction, and you still willfully do nothing about it......just shitty imho.
that said, if anything bad did happen, then the airline would just sue Boeing over it and not be out anything when the inevitable litigation would be levied by victims families.
Posted on 11/17/25 at 11:28 am to dupergreenie
quote:
a malfunction that could cause the jet’s systems to make uncommanded altitude changes.
This makes it sound like the equivalent of the cruise control changing to a different speed without driver input. For example, the altitude being set at 40000ft changing to 38000ft. Something a pilot would soon notice and correct.
quote:
the link I posted claims that there were no 'incidents' but thats not true.
the Dreamliner operating the flight experienced a sudden drop in altitude. This movement was unexpected, leaving passengers and crew unprepared for the drop.
This led to widespread injuries to multiple passengers and crew and triggered a major emergency response. The flight was met by Auckland Airport's apron by emergency services, including 14 ambulances and other rapid response teams. 50 passengers were reported injured, one classed as serious, resulting in 13 being transported to nearby hospitals
What makes this happen so fast from a set point change? Did the plane go into a dive?
Posted on 11/17/25 at 11:43 am to Btrtigerfan
quote:
Did the plane go into a dive?
Yeah……it’s literally in the link you posted.
In the video apparently the captain came out and said that his controls went out and then came back. (Not sure if I believe that the captain would admit that but who knows).
I tried linking other pages about this but my work internet was being dumb….
…..I mean….when I was at lunch my WiFi was being dumb…..definitely not my work internet….nope….definitely not that.
Posted on 11/17/25 at 12:35 pm to Gee Grenouille
quote:
could possibly get decapitated under a semi
This reminds me of one of my favorite lines from Duckman.
So listen, I'm out of here....I have a date with the head of Jayne Mansfield.
Posted on 11/17/25 at 12:42 pm to dupergreenie
I wish we had a legit rail system in this country.
Posted on 11/17/25 at 2:11 pm to Darth_Vader
quote:
One more reason that, unless I have absolutely no other option, I have sworn off of commercial air travel.
Too bad as its still by far the most safe method. Far more safer than driving or riding the bus. This is NHTSA fatality figures, not anecdotal evidence.
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