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the approach data base.
1. Reload navigation database.
Messages
6 2423sv602
Change 1
APPROACH IN USE - The currently accessed approach is in use in
the flight plan and cannot be modified or deleted.
ARINC # FAIL - ARINC #1 or 2 board failure is detected. This
message will only occur following the self test on systems
initialization. Communication with other onboard systems may be
affected.
ARPT NAME DATABASE FAIL - A failure has been detected in the
airport geographical names database. Access to some airport
names will be prevented.
1. Reload navigation database.
ASCB FAIL - ASCB board failure has been detected.
ASCB TX INOPERATIVE - The ASCB board will not transmit.
Message will clear when acknowledged or when condition clears.
ASCB LEFT BUS FAIL - ASCB left system bus has failed. FMS
operation may be degraded. Message will disappear when
acknowledged or when condition clears.
ASCB RIGHT BUS FAIL - ASCB right system bus has failed. FMS
operation may be degraded. Message will clear when
acknowledged or when condition clears.
AUXILIARY BOARD FAIL - The Auxiliary Board has failed self test.
BACKUP DATABASE FAIL - The backup navaid data base has
failed.
BARO ALT NOT AVAILABLE – Barometric altitude is not available
from installation of an ADC without barometric altitude or from loss of
barometric altitude. Message will clear after acknowledgement or
when the condition clears.
TEMPORARY CHANGE
Page 1 of 1
23 October 2003
MANUALS AFFECTED: Universal Avionics Systems
Corporations’ Operator’s Manual, Report No. 2423sv602,
Change 1, dated 5 January 1998.
REASON: To add the description and corrective action for the
CDU DATA BUS FAIL message.
FILING INSTRUCTIONS: Insert this Temporary Change into
Report No. 2423sv602, Messages Section, adjacent to page
6.
INSTRUCTIONS: Add the following text before the CDU
UPGRADE REQUIRED message description.
CDU DATA BUS FAIL - This message is generated by the CDU
when it has not been refreshed by the FMS navigation computer.
The message indicates that the CDU is functioning properly and that
either an FMS navigation computer problem or a wiring problem
might exist.
1. Power down the FMS using the ON-OFF DIM key (do NOT use
the circuit breaker to cycle power to the FMS, and do NOT
secure power to the aircraft without first properly powering down
the FMS).
2. Power up the FMS again and observe the indicators and
annunciators for the FMS powerup self-test.
3. If the CDU DATA BUS FAIL message appears again and the
FMS powerup self test occurs normally, a wiring problem exists.
4. If the CDU DATA BUS FAIL message appears again and the
FMS powerup self test does not occur, then a problem exists
with the FMS navigation computer.
Messages
2423sv602 7
Change 1
CKLST DATABASES FAIL - Appears if all checklist databases have
failed (only with Collins Pro Line 4 interface).
1. Reload checklist data base.
CLOCK TIMER FAIL - The clock timer on the CDU board has failed
self test.
CONFIG DATA FAILED - The FMS configuration data has failed.
CONFIG MODULE FAILED - Communication with or data in the
configuration module has failed. Attempt to store configuration to
determine cause.
CONFIG UPDATE REQUIRED - Configuration Module and FMS
configuration data has failed requiring the FMS to be configured for
installation.
CREWNOTES CKLIST DB FAIL - Appears if the crew notes
database has failed (only with Collins Pro Line 4 interface).
CROSSFILL FAIL: BAD DATA – A FPL crossfill task has failed due
to a communications error.
CROSSFILL FAIL: BUS – A crossfill task has failed due to a crossfill
bus timing out or an ARINC board failure.
CROSSFILL FAIL: FPL CHGD - A FPL crossfill task has failed due
to the flight plan being edited in the other FMS during crossfill.
CSDB SELFTEST FAIL - CSDB serial ports have failed self test.
VOR, DME, or RTU function may be disabled.
CURRENT LEG EXTENDED - Presented when the aircraft flies past
the terminator of the current leg and no next leg is defined which
results in guidance displays being to an extension of the current leg.
TO/FROM will show FROM and distance from waypoint will
increase.
DATABASE CORRECTING - A minor failure has been detected in
the database and an error correcting process is being run. Access
to the database is restricted until the correction process has been
completed and the database tests good.
Messages
8 2423sv602
Change 1
DATABASE EXPIRED - The current date is past the NAV Data
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