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 which dialogue with the MCDU, it will not be described in 
R  detail in this document. For further details, refer to ATA Ref 
R  31-32-00 (Menu mode and pseudo-menu mode).
 The functions of the system in menu mode are:
 - Generation of pages:
 . MAIN MENU
 . LAST LEG REPORT
 . PREVIOUS LEG REPORT
 . TROUBLE SHOOTING DATA
 . GROUND SCAN
 . LRU IDENTIFICATION
 . LAND TEST
 . AFS TEST
 . WINDSHEAR TEST (if windshear function activated).
 - Execution of the various options described previously. 
R  2 Operation: access to main menu, chaining of the various pages_ 
R  are described in para G. All the pages presented by the MCDU
 are generated by the FIDS.
 (b) Main menu 
R  (Ref. Fig. 007)
 1 The MAIN MENU page is shown on figure. It gives the various_
 options available in menu mode.
 (c) Description of Main Menu option operation
 1 LAST LEG REPORT_ 
R  (Ref. Fig. 008)
 - This function gives on the ground only, the internal and
 external failure messages recorded during the last flight.
 - Information presented: 
R  . FLIGHT LEG: The FLIGHT LEG number is always at blank for 
R  failures relevant to last flight
 . DATE, UTC when failure was detected or taken into account 
R  . FAULT REPORT: fault message (identical to the message 
R  transmitted in normal mode) 
R  . ATA: ATA reference of LRU given as faulty 
R  . ISSUED BY: computer which originated the Fault message 
R  (e.g. : FAC1C, FAC2C/M, etc.) 
R  . FAIL NO: Number of presented fault. This counter is reset 
R  at the start of each flight phase. The first fault presented 
R  is the fault which occurred last during the last flight. 
R  . OCCURENCE: Number of times when the same failure occurs.

 

R  AFS - MAIN MENU Page Figure 007
 1EFF : 1 1 1CES  ALL  1 111 22-91-00 Page 23 Feb 01/05

 

R  LAST LEG and PREVIOUS LEG REPORTS/TSD Pages Figure 008
 1EFF : 1 1 1CES  ALL  1 111 22-91-00 Page 24 Feb 01/05

 

 - Access to the following failure is made by pushing the NEXT
 PAGE key on the MCDU
 - In addition, one of the main menu options:
 TROUBLESHOOTING DATA is directly accessible from this
 function.
 2_  PREVIOUS LEG REPORT
R  (Ref. Fig. 008)
 - This function presents, on the ground only, the internal and
 external fault messages which appeared during the 64
 previous flights. This memo is the sum of the LAST LEG
 REPORT memos of several flights.
 - Information presented
 The information presented is identical to that presented in
 the LAST LEG REPORT except that: 
R  FLIGHT LEG: The counter is incremented at each ground/ 
R  flight changeover. 
R 
R  FAIL NO: Fault number presented for a given FLIGHT LEG.
 - The first fault presented corresponds to the last fault
 which occurred during the previous flights.
 3_  TROUBLESHOOTING DATA
R  (Ref. Fig. 008)
 - This function presents, on the ground only, additional
 information relevant to the faults.
 This page is established from the fault context recorded in
 the BITE non-volatile memories:
 . DATE, UTC, Flight Leg 
R  . COM (RESANAC), MON (RESANAM) and C/M (RESANA) 
R  . Snapshot data (W1, W2, W3, W4 and W5)
 - This function can be accessed from two levels:
 a From the main menu:_
 - On selection of the TROUBLE SHOOTING DATA option, the
 FIDS generates a page for selecting the BITE that the
 operator wishes to examine.
 - When the BITE has been selected, the FIDS presents the
 content of the memories of this BITE starting by the most
 recent fault. The following faults are accessible by
 pushing the NEXT PAGE key on the MCDU.
 b From the LAST LEG REPORT, PREVIOUS LEG REPORT, GROUND SCAN,_
 LAND TEST and AFS TEST options:
 On selection of the TROUBLE SHOOTING DATA option, the FIDS
 directly presents the context of the fault which is being
 displayed.

 1EFF : ALL 1 22-91-00Page 25 1 1 Feb 01/05 1 1 1CES 1

 4 GROUND SCAN
　
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