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Plane would not descend below 2,800ft

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    Plane would not descend below 2,800ft

    I'm sure I've seen something like this on this or the MSFS forum before, but I couldn't find it when I searched. Nevertheless, appologies if this is a duplicate of another thread.

    Descending for approach into EGPH, nicely configured to capture the ILS, 174kts, flaps 5, glideslope captured at 3,000ft. However, once that plane got to 2,800ft it would not descend any further. I took off a/p and tried to manually fly it, and no, it simply wouldn't descend below 2,800ft. I even tried to point the nose at the the ground, but no.

    Anyone else experienced this? I've flown the PMDG 737-800 almost daily since launch and not had this issue before. Any thoughts as to what might be going on? I'm on SU11 beta, with the most recent beta 'hotfix' update.


    Alex Berry
    Dunfermline, Scotland

    Ryzen 5900X, 32GB, 3080Ti FE, Win10

    #2
    Hello Alex,

    I haven't experienced anything like this before. If you encounter this again, could you possibly provide a video, or perhaps some screenshots showing your configuration?
    Tim Lincoln
    My YouTube Channel

    Comment


      #3
      Yeh, I will; I should have thought of that earlier.

      Just re-did the flight, and no issue this time. Probably just 'one of those things'...


      Alex Berry
      Dunfermline, Scotland

      Ryzen 5900X, 32GB, 3080Ti FE, Win10

      Comment


        #4
        Originally posted by AlexJBerry View Post
        Yeh, I will; I should have thought of that earlier.

        Just re-did the flight, and no issue this time. Probably just 'one of those things'...
        First thing you look at when you ask, "why is it doing that?" is the FMA. You tell the airplane what you want with the MCP, it tells you what you are getting on the FMA. Likely you had FAC/GP mode instead of LOC/GS mode.
        Dan Downs KCRP
        i7-10700K 32GB 3600MHz 3080Ti

        Comment


          #5
          Alex I just had the same issue last week with the 700. I was on final to PAFA. I was flying manually after turning the AP off. I descended to 2800ft and I could not get the plane to descend below that. Throttles were idle and I put in all the down trim I could. Yoke was pushed in as far as it would go. Nothing would get the plane to descend. I aborted the landing and was able to climb away. But I did not try landing again as real life got in the way. I used the 700 the following day and all was well. I have no idea what caused the issue.
          Robert Morse

          Comment


            #6
            Guys,

            please confirm that your flightmodel in MSFS is set to modern, that all assistants are off and just to be sure to be free of anything please check that your crash detection is off and that you‘re not in dev mode. And if you run FSRealistic, turn it off.
            Ryzen 9 5900X, RX 6900XT, 32GB DDR4 RAM @3600MHz, 4k
            Marc Eland
            GFO Beta

            Comment


            • Ephedrin
              Ephedrin commented
              Editing a comment
              All above when you can‘t even manually push it though 2800ft

            • DDowns
              DDowns commented
              Editing a comment
              Yeah, I'm still getting use to the hundred things in MSFS that can mess up an aircraft simulation. Asobo's quest for an adventure game has complicated the path to flight simulation.

            • AndreH
              AndreH commented
              Editing a comment
              And there are ghosts in the machine too. Assists have an annoying ability to turn themselves back on without any apparent explanation

            #7
            Originally posted by Ephedrin View Post
            Guys,

            please confirm that your flightmodel in MSFS is set to modern, that all assistants are off and just to be sure to be free of anything please check that your crash detection is off and that you‘re not in dev mode. And if you run FSRealistic, turn it off.
            Hi, setup of sim was just as you suggested - crash detection off, flight model modern, assists off, not in dev mode. Only thing I did have running at the time was FSRealistic (v2.1.1, just released), but with limited options enabled - basically just some additional sounds... Ran it again since with same apps running, and no issues. However, from other reports here, it does sound like perhaps there is an intermittent issue or conflict, but sounds like it might be a nightmare to diagnose being as rare as perhaps it is.


            Alex Berry
            Dunfermline, Scotland

            Ryzen 5900X, 32GB, 3080Ti FE, Win10

            Comment


            • Want2BFlyin
              Want2BFlyin commented
              Editing a comment
              These types of issues are indeed the most frustrating to try to work out. We need to try to gather as much information as we can about what is happening, and hopefully, find a way to reliably cause it to happen so that all of that information can be provided to PMDG. Without being able to reproduce it themselves, it will be almost impossible for PMDG to do anything to address this.

              If you haven't already done so, it may be a good idea to open a support ticket at support.pmdg.com (if you haven't created a support ticket before you will need to create a new account there). Give them as much information as you have currently, and just be aware that they will likely ask for more.
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