Boeing 737NG alternate flap question
Hi guys
i have checked on boeing book for pilots and asked my instructor in vain Question is : what is the electrical source of alternate flap on the Boeing 737NG sorry if it has been covered i have not seen it many thanks |
AC Xfer Bus #2
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Thanks
appreciate it could you just provide your reference please That would mean that in case you loose normal AC than you cannot extend your flaps ? |
That would mean that in case you lose normal AC then you cannot extend your flaps ? Note that 28V DC Bus 1 is required for _controlling_ the supply of Xfr Bus 2 AC power to the TE flap drive motor and for powering the hydraulic bypass valve. However, if you lose AC Xfr Bus 1, you should still get DC Bus 1 power for flap control if the Bus Transfer Switch is in AUTO. |
Thank you NSEU
that is very clear cheers |
That would mean that in case you loose normal AC than you cannot extend your flaps ? |
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