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LN-KMM

BIG problems with the FMC (CDU)

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Hey. I have enjoyed the B777 now for a few weeks and I am closing up on 40hours in it :) But I have a problem.!I am currently in a flight from EHAM to KJFK BUT, when I press VNAV I am forwarded to the DES page! When I press the "PREV PAGE" button I get the message "DSPY" on the left side, so I can't use VNAV in the MCP! What can I do to reverse this prosess from DES to CRZ? PLEASE help me!!! :-zhelp Thanks for a GREAT plane! :DBest regards Karl Mathias Moberg

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Guest aarskringspier

Ah you must have lowered the flaps after they were fully raised during your flight at some time; doing this messes up the VNAV and CDU and cant be fixed until youve reset the flight.

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Hm.. I really don't think I did... After takeoff I allways move my Yoke away from my desk... And use the keyboard to raise flaps... :-zhelp :-zhelp

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Guest Insidious

Hello everybody,I've also a problem with the FMC. I just wanted to fly a test flight yesterday (from Amsterdam Schiphol (EHAM) to Londen Heathrow (EGLL)). Everything was just fine, but when I adjusted the arrival for runway 27L, the LAM3A arrival, whole FS freeses. I re-installed the plane, added the new AIRACs en SID/STARs, but the problem keeps going. Is the a known problem, or am I the only one?Thanks for your answers.Regards, Insidious.

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> a known problem, or am I the only one?No you are not. I put that route in to see what happened and the whole system freezes up when I try to enter the cost index BUT I have already put the LAM3A in for 27L. This has happened three times and I will next use a different entry to 27L. BTW - I am using the 05/12 AIRAC from Navdata - are you using the same one?

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Guest Insidious

Yes sir, indeed! I've updated everything, but it was not THE solution for the problem. Hopefully PSS will come with an update for the CDU...Cheers, Insidious.

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I have reprogrammed the CDU using a different entry into 27L and everything seems sweet.Next is to try a route from, say Germany, and see what happens with usiung LAM3A. I suspect it will fail in which case there is probably something wrong with it. I have some old data and maybe will try that tomorrow.Bill

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