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Establish landing configuration early.
Radio altitude reference available below 2,500 feet.
Use electronic and visual glide slope indicators, where available, for
approach and landing.
* * * *
BCD CDS FAULT
The CDS FAULT annunciation indicates a CDS fault.
Note: The CDS FAULT annunciates on the ground only, prior to second engine
start.
Do Not Takeoff.
* * * *
BCD CDS MAINT
The CDS MAINT annunciation indicates maintenance is required on the CDS
system.
Note: The CDS MAINT annunciates on the ground only prior to second engine
start.
Do Not Takeoff.
* * * *
737
Flight Manual
Continental
FLT INSTRMT, DSPLYS
Sec. 2.10 Page 3
Rev. 11/15/02 #41
BCD DISPLAYS CONTROL PANEL
The absence of an altimeter and the DISPLAYS CONTROL PANEL annunciation, in its
place, indicates failure of the related EFIS control panel.
Note: The altimeter blanks and an ALT flag illuminates on the side
corresponding to the failed control panel. The pressurization system
AUTOFAIL will also annunciate if the failure is in the Captain’s panel.
The Autopilot for the respective control panel may also disengage.
The Autopilot of the operating side should continue to function.
Displays Control Panel Select Switch
(On Overhead Panel).................................BOTH ON 1 Or BOTH ON 2
Select side corresponding to the operating control panel. Verify DISPLAYS
CONTROL PANEL annunciation and ALT flag extinguish, and altimeter
reappears.
Note: Information on all flight instrument DU’s is now controlled by the
operable Displays Control Panel.
* * * *
FLT INSTRMT, DSPLYS
Sec. 2.10 Page 4
Rev. 11/15/02 #41
Continental
737
Flight Manual
BCD DSPLY SOURCE
WARNING: Moving the DISPLAYS SOURCE switch on the overhead panel to
the failed side will lead to loss of all flight instruments.
IF Displayed On The Ground:
DO NOT TAKEOFF.
The DSPLY SOURCE annunciation indicates only one DEU is supplying display
information.
Note: Other indications and considerations:
· Absence of hydraulic pressure indication on failed side
· Speed limit flag visible on failed side
· Minimum maneuver speed and stick shaker band removed from
airspeed indicator on failed side
· EEC’s revert to Soft Alternate Mode.
· Dual autopilot approach is not available.
* * * *
BCD DISPLAY UNIT FAILURE
IF A Single Display Is Unusable And Automatic Switching Has
Occurred:
No crew action required.
* * * *
IF A Single Display Is Unusable And Automatic Switching Has Not
Occurred:
MAIN PANEL DUs Selector..................................AS REQUIRED
LOWER DU Selector ..............................................AS REQUIRED
* * * *
OR
737
Flight Manual
Continental
FLT INSTRMT, DSPLYS
Sec. 2.10 Page 5
Rev. 11/15/02 #41
ERRONEOUS COMPASS HEADINGS
Determine which system is accurate. Note RDMI HDG and HSI heading flags.
Check the standby compass in level flight.
Compass Transfer Switch................... BOTH ON OPERATING SYSTEM
* * * *
FLIGHT RECORDER
The flight recorder OFF light illuminated indicates that the recorder is not
operating.
No Crew Action Required.
* * * *
BCD IAS DISAGREE
The IAS DISAGREE alert indicates the Captain’s and First Officer’s airspeed
indications disagree by more than 5 knots for 5 continuous seconds.
Accomplish the AIRSPEED UNRELIABLE checklist.
* * * *
INSTRUMENT SWITCHING
While this type of failure can be difficult to detect under normal circumstances,
instrument switching capabilities can compound the problem considerably. If
all navigation information displays are connected to a single VHF navigation
receiver, a failure of this type can be extremely difficult to identify. Situations
where redundancy of navigation information is lost should be avoided.
Instrument switching should be avoided. Instrument switching should only be
used in performance of published abnormal procedures. If a failure dictates
instrument switching then cross checking from all other available information
including ATC radar should be used.
* * * *
FLT INSTRMT, DSPLYS
Sec. 2.10 Page 6
Rev. 11/15/02 #41
Continental
737
Flight Manual
>@ SYMBOL GENERATOR FAIL
The SG FAIL annunciation illuminated on the EADI and EHSI, or blanking of
both EADI and EHSI displays indicates a failure of the respective symbol
generator.
EFI Transfer Switch...............................................................AS REQUIRED
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