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NOTE : Failure of one radio altimeter is a class 3 failure whereas it
____ becomes a class 1 failure when two radio altimeters are faulty.
 -PREVIOUS LEGS REPORT (Ref. Fig. 019A) This report contains the fault messages related to the external or internal failures (class 1 and 2) recorded during the previous 63 flight legs.
 -LRU IDENTIFICATION (Ref. Fig. 019A) Allows to display the P/N, the S/N and the SW/N of the equipment.
 -GND SCANNING
 (Ref. Fig. 020A)

R 1EFF : 051-099, 401-499, 1 34-41-00Page A11 1 1 Config-3 Aug 01/05 1 1 1CES 1

 Based on the monitoring and fault analysis during flight,
 provides information of the failures detected while using
 this function.
 The WR/PWS peripheral monitoring and internal cycle tests
 are used to detect transient failures.
 By pressing the line key adjacent to the failure message,
 the operator is allowed to the corresponding Trouble
 Shooting Data. The peripheral monitoring and WR/PWS internal
 cyclic tests are used to detect transient failures.

 -TROUBLE SHOOTING DATA (Ref. Fig. 020A) Provides correlation parameters and snapshot data concerning the failure displayed in the LAST LEG REPORT and PREVIOUS LEGS REPORT.
 -CLASS 3 FAULTS (Ref. Fig. 021) Allows to display the class 3 faults recorded during the last flight leg.
 -GROUND REPORT (Ref. Fig. 021) Allows to present the class 1, 2 or 3 internal failures detected on ground. These failures differ from those displayed on the LAST LEG REPORT and CLASS 3 FAULTS. By pressing the line key adjacent to the failure message, the operator is allowed to access to the corresponding Trouble Shooting Data.
 -TEST (Ref. Fig. 022A, 023A, 024A) Allows a check of the correct operation of the WR/PWS on ground. This test can be performed through the CFDS by selecting on the MCDU the test function on the RADAR 1 (or 2) main menu page. At the end of the BITE TEST, the test pattern comes into view. (Ref. Fig. 025A)
 NOTE : If a failure of the windshear system is detected during the
____ BITE TEST, the windshear flags come into view. If the failure does not affect the radar mode, the test pattern stays available. If the failure affects the radar mode, nothing is shown.
 All the information displayed on the MCDU during the BITE TEST configuration can be printed by the printer (Ref. 31-35-00).
R 1EFF : 051-099, 401-499, 1 34-41-00Page A12 1 1 Config-3 Aug 01/05 1 1 1CES 1

 Weather Radar - Test Pattern
 Figure 025A

R 1EFF : 051-099, 106-149, 201-299, 301-399, 1 34-41-00Page A13 1401-499, 1Config-3 Aug 01/05 1 1 1CES 1 By pressing the line key adjacent to the internal failure message, the operator is allowed to access to the corresponding Trouble Shooting Data.

 **ON A/C 106-149, 201-299, 301-399,
 (2)
 Normal mode During the normal mode the BITE monitors cyclically the status of the WR/PWS. It transmits its information to the CFDIU during the concerned flight. In case of fault detection the BITE stores the information in the fault memories. These items of information are transmitted to the CFDIU by an ARINC 429 message with label 356.

 (3)
 Interactive mode The interactive mode can only be activated on the ground and through the line key adjacent to the RADAR 1 indication, presented on the SYSTEM REPORT/TEST/NAV page of any MCDU. This mode enables communication between the CFDIU and the BITE of the weather radar transceiver by means of the MCDU. (Ref. Fig. 018) The interactive mode is composed of:

 -LAST LEG REPORT (Ref. Fig. 019A) This report contains the fault messages related to the external or internal failures (class 1 and 2) recorded during the last flight leg. The following tables give the list of the failure messages which can be reported and indicate the failure class assigned to them as defined by the CFDIU standard.
R 1EFF : 051-099, 106-149, 201-299, 301-399, 1 34-41-00Page A14 1401-499, 1Config-3 Aug 01/05 1 1 1CES 1 -------------------------------------------------------------| Reported Internal Failures | |-----------------------------------------------------------| | MESSAGE | CLASS | ATA | -------------------------------------------------------------| WXR1 (1SQ1) | 1 | 34-41-33 | | WXR ANTENNA (11SQ) | 1 | 34-41-11 | | WXR CNT PNL (3SQ)/WXR1 (1SQ1) | 1 | 34-41-12 | | WXR MOUNTING TRAY (9SQ) | 1 | 34-41-37 | -------------------------------------------------------------

-------------------------------------------------------------| Reported External Failures | |-----------------------------------------------------------| | MESSAGE | CLASS | ATA | -------------------------------------------------------------| ADIRU1 (1FP1) ADR BUS/WXR1 (1SQ1) | 3 | 34-12-34 | | ADIRU3 (1FP3) ADR BUS/WXR1 (1SQ1) | 3 | 34-12-34 | | ADIRU1 (1FP1) IR BUS/WXR1 (1SQ1) | 1 | 34-12-34 | | ADIRU3 (1FP3) IR BUS/WXR1 (1SQ1) | 1 | 34-12-34 | | FCU (3CA) CP-L BUS/WXR1 (1SQ1) | 1 | 22-81-12 | | FCU (3CA) CP-R BUS/WXR1 (1SQ1) | 1 | 22-81-12 | | CFDIU (1TW)/WXR1 (1SQ1) | 3 | 31-32-34 | | RA1 (2SA1)/WXR1 (1SQ1) | 3 | 34-42-33 | | RA2 (2SA2)/WXR1 (1SQ1) | 3 | 34-42-33 | | RA1 (2SA1)+RA2 (2SA2)/WXR1 (1SQ1) | 1 | 34-42-33 | | POWER SUPPLY INTERRUPT | 1 | 24-00-00 | -------------------------------------------------------------
　
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