ENTRY ERROR MESSAGES____________________ MESSAGE/CONDITION
NOT IN DATA BASE________________ A SEARCH OF THE NAV DATA BASE, AND ROUTE, DID NOT RESULT IN FINDING THE REQUIRED DATA
ROUTE FULL__________ GUIDANCE BUFFER IS FILLED TO ALLOWABLE CAPACITY
INVALID ENTRY_____________ THE ENTRY HAS AN INCORRECT FORMAT AND/OR RANGE FOR THE SELECTED CDU FIELD
INVALID DELETE______________ DELETION OF DATA DISPLAYED IN THE SELECTED FIELD IS NOT ALLOWED
RUNWAY N/A FOR SID__________________ RUNWAY SELECTED NOT COMPATIBLE WITH DEPARTURE
ARR N/A FOR RUNWAY RUNWAY/APPROACH SELECTED IS NOT COMPATIBLE WITH ARRIVAL SELECTED __________________
UNABLE CRZ ALT______________ PERFORMANCE PREDICTS A ZERO CRUISE TIME AT THE ENTERED CRUISE ALTITUDE
CRS REVERSAL AT FA FIX______________________ A CONFLICT EXISTS BETWEEN THE DEFAULT FA WAYPOINT (STRUNG AS A RESULT OF A RUNWAY OR VFR APPROACH SELECTION) AND THE PRECEDING FLIGHT PLAN WAYPOINT SUCH THAT A COURSE REVERSAL OCCURS
STANDBY ONE___________ THE FMC REQUIRES MORE THAN 4 SECONDS TO DISPLAY DATA
THE CDU MODE KEY PUSHED DOES NOT HAVE A FUNCTION KEY/FUNCTION INOP_________________
FMCS Advisory Messages
Figure 37 (Sheet 1)
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FMCS Advisory Messages
Figure 37 (Sheet 2)
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______________________CDU GENERATED MESSAGES MESSAGE / CONDITION
__________________TIMEOUT - RESELECT COMMUNICATION BETWEEN CDU AND ACTIVE OR REQUESTED USER SUBSYSTEM FAILED
ROUTE FILLED TO ALLOWABLE CAPACITY __________ROUTE FULL
____________END OF ROUTE PASSING LAST ROUTE LEG TERMINATION
_____________INVALID ENTRY THE ENTRY HAS AN INCORRECT FORMAT AND/OR RANGE FOR THE SELECTED CDU FIELD.
FOLLOWED BY A MANUALLY TERMINATED LEG, e.g. FM, VM OR HM LEGS) PASSING LAST WAYPOINT PRIOR TO A DISCONTINUITY (EXCEPT WHEN THE WAYPOINT IS _____________DISCONTINUITY
DELETION OF DATA DISPLAYED IN THE SELECTED FIELD IS NOT ALLOWED ______________INVALID DELETE
______ DEL KEY IS PRESSED DELETE
FMCS CDU Generated Messages
Figure 38
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(c)
Ensure the Inertial Reference System (IRS) is powered up and functioning properly.
(d)
Power up the FMCS.
(e)
Press the <FMC prompt on both the left and right CDUs. If one of the CDUs are displaying the NAV DATA CROSSLOAD page this indicates a NAV DATA BASE mismatch between the two FMCS.
(f)
If this situation occurs, do the following:
1) Set the captain's NAV SOURCE SELECT switch to the FMC L position and the F/O's NAV SOURCE SELECT switch to the FMC R position.
2) Access the NAV DATA CROSSLOAD page on the CDU displaying the IDENT page, as follows: a) Press the LSK next to the INDEX prompt and make sure
that INIT/REF INDEX page is displayed. b) Press the LSK next to the MAINT prompt and make sure the MAINTENANCE INDEX page is displayed. c) Press the LSK next to the CROSSLOAD prompt and make sure the NAV DATA CROSSLOAD page is displayed.
3) Consult with proper airline department for the correct NAV DATA part number and determine the CDU which is displaying the correct part number. The part number will be displayed on the CROSSLOAD page.
4) Set the FMC MASTER switch to the position corresponding to the FMC which contains the correct part number.
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