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737-700 Has Become Unflyable

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    737-700 Has Become Unflyable

    I own both the PMDG 737-600 and 737-700. Both were working fine until a couple of days ago. Then the 737-700 became unflyable. I had started a flight in the 737-700 (Alaska) from Portland, OR (KPDX) to Seattle, WA (KSEA). I noticed that the CH Products rudder pedals no longer steered the plane. In external view saw that the rudder no longer works. Took off anyway, then found that the autopilot will no longer engage. Ended the flight and started a new flight from KPDX to KSEA using the 737-600. Everything worked normally. Tried rebooting the computer and restarting the 737-700. Same result as before. Next, I tried turning the computer completely off and restarting. Same result. I then uninstalled the 737-700, and downloaded it again from PMDG. Started the same flight, and again had the same result. I went into the settings for the rudder pedals and tried resetting them. Same result. Tried the BBJ and BDSF versions of the 737-700 but result was the same. Have no idea what changed or what to try next. Hope that users of this forum can help resolve this.

    James H. Kaye
    James H. Kaye

    #2
    Try a quick test in default MSFS aircraft.
    Vaughan Martell KDTW PP-ASEL

    Comment


      #3
      As you suggested, set up a flight using the Cessna 172 (G1000), same flight plan. Flew to the first 2 waypoints, OKARE and TOUTL. The flight is proceeding normally, all OK. Since flights with the PMDG 737-600 also have no problems, this is what I would expect.

      James H. Kaye
      James H. Kaye

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        #4
        On checking the PMDG Ops Center, I found that was an update for the 737-700, which I installed. Then I found that the PMDG House Boeing 737-700 (N737 BW) worked OK. I also tried the Southwest 737-700 (N550 WN), and it was OK. I can check if a plane is OK by loading and seeing if the rudder moves correctly. The rudder on the Alaska 737-700 (N612 AS) does not move. Not sure why, since it worked fine a couple of days ago. I also want to try the Alaska Cargo plane (N626 AS) but have not done so yet. At least there are some 737-700 liveries I can fly now.
        Last edited by [email protected]; 20Sep2022, 05:54. Reason: Forgot to add my user name, James H. Kaye. Thought it was set up to automatically do this.
        James H. Kaye

        Comment


          #5
          Your signature shows fine, it‘s a forum bug. You won‘t see it if you send your post but everyone else will. It shows up for you if you reload the page.

          for your issue, I need to ask: Are you comfortable flying the 737 or are you new to flight sim / flying? It‘s a complex airplane whose systems need to be setup correctly. For example the hydraulics need to be turned on, which are switches on the overhead panel. If you‘re not experienced with this kind of addon make sure you check some tutorial videos, it could be that one tail number simply loads in another state than the other one.

          If you DO know how to fly the 737 it could also be an installation problem. My MSFS regularily causes PMDG aircraft to go havoc, I often have to reinstall them, usually after sim updates.
          Ryzen 9 5900X, RX 6900XT, 32GB DDR4 RAM @3600MHz, 4k
          Marc Eland
          GFO Beta

          Comment


            #6
            Originally posted by [email protected] View Post
            On checking the PMDG Ops Center, I found that was an update for the 737-700, which I installed. Then I found that the PMDG House Boeing 737-700 (N737 BW) worked OK. I also tried the Southwest 737-700 (N550 WN), and it was OK. I can check if a plane is OK by loading and seeing if the rudder moves correctly. The rudder on the Alaska 737-700 (N612 AS) does not move. Not sure why, since it worked fine a couple of days ago. I also want to try the Alaska Cargo plane (N626 AS) but have not done so yet. At least there are some 737-700 liveries I can fly now.
            Check your Alaska livery panel settings. Also, do you have any amber lights on the overhead? Every Reg Number is a unique aircraft with it's own settings. It could be that your Alaska aircraft is out of hydraulic fluid and needs maintenance.
            Mike Murphy
            Commercial, Instrument, Rotorcraft-Helicopter

            Comment


              #7
              Helibrewer - I have done some more testing today. One test was with the DHL 737-700 BDSF. When the plane was loaded, the rudder did not work, and on the panel the Master Caution was on, and it also displayed FLT CONT. The Hydraulic Pumps said Low Pressure. The flap display was always on 2, but I could change the flap lever with the mouse and that seemed to work. Found that I could turn on the Standby Rudder switches and the rudder would move. However, the autopilot would not turn on, not sure about the flaps, ailerons and landing gear. Tried the PMDG House N737 BW, and it worked OK. The Southwest N550 WA had no rudder, ailerons or flaps. However, tried this same Southwest aircraft later this afternoon and it worked OK. Do not understand this.

              Ephedrin - Thanks for the info on the forum bug. I have not posted in this forum so was not aware of this. I am not new to flight simulation. My first simulator was by Chuck Yeager, so many years ago I can't remember when that was. I have flown every version of Microsoft flight simulator since. I am not yet very familiar with starting the 737 from a cold and dark cockpit. However, I have made many flights where the 737-700 was already on the runway with the engines running and had no problems until about 3 days ago. I have also completed many flights in the 737-600 with no issues whatsoever. Tried uninstalling the 737-700, then reinstalled it, but this did not help.
              James H. Kaye

              Comment


                #8
                I was able to solve the problem I have been having with the 737-700 for the Alaska livery. Tried uninstalling that livery and then reinstalling it, but that did not work. I back up my FS2020 hard drive regularly and found that when I replaced the Alaska livery files with those saved in August it worked. Somehow one or more of those files must have become corrupted.
                James H. Kaye

                Comment


                  #9
                  Originally posted by [email protected] View Post
                  Helibrewer - I have done some more testing today. One test was with the DHL 737-700 BDSF. When the plane was loaded, the rudder did not work, and on the panel the Master Caution was on, and it also displayed FLT CONT. The Hydraulic Pumps said Low Pressure. The flap display was always on 2, but I could change the flap lever with the mouse and that seemed to work. Found that I could turn on the Standby Rudder switches and the rudder would move. However, the autopilot would not turn on, not sure about the flaps, ailerons and landing gear. Tried the PMDG House N737 BW, and it worked OK. The Southwest N550 WA had no rudder, ailerons or flaps. However, tried this same Southwest aircraft later this afternoon and it worked OK. Do not understand this.

                  Ephedrin - Thanks for the info on the forum bug. I have not posted in this forum so was not aware of this. I am not new to flight simulation. My first simulator was by Chuck Yeager, so many years ago I can't remember when that was. I have flown every version of Microsoft flight simulator since. I am not yet very familiar with starting the 737 from a cold and dark cockpit. However, I have made many flights where the 737-700 was already on the runway with the engines running and had no problems until about 3 days ago. I have also completed many flights in the 737-600 with no issues whatsoever. Tried uninstalling the 737-700, then reinstalled it, but this did not help.
                  OMG tell me you discovered the answer to this mystery that also happened to me a few days ago: you need to service the hydraulics and engine oil! Go to Ground Maintenance and hit the Service button and in a few seconds these issues will resolve! )
                  😶 N o e l 🤔 P h a r e s 😎

                  Comment


                    #10
                    If this happens again, I will definitely try your suggestion to go to Ground Maintenance and hit the Service button. I have always had Crash Damage, Aircraft Stress Damage, and Engine Stress Damage disabled. I only have Icing Effect turned on. Maybe somehow something got turned on. Thanks for your information.
                    James H. Kaye

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