(b) Report establishment mode These different reports are established by the systems:
-LAST LEG REPORT
-TROUBLE SHOOTING DATA
-CLASS 3 FAULTS These reports are established using Normal Mode operation of the system in flight, i.e. using the permanent memorization in the system of faults detected during the last 64 flights. The first of these reports concerns zone 1 of the BITE; the second concerns zone 2 and the third concerns zone 5.
1 PREVIOUS LEGS REPORT
_ This report is constituted by the memorization in the system of the LAST LEG REPORT of several flights (64). This report concerns zone 1 of the BITE.
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2 GROUND SCANNING
_ This report is established by forcing operation in system Normal Mode, when on the ground (simulation of a flight command (DC1), when on the ground, transmitted on label 227 by the CFDIU). This report concerns zone 3 of the BITE.
3 LRU IDENTIFICATION
_ This report is established using data memorized once and for all in the system BITE. When one of these functions is selected by the operator, the corresponding data are transmitted once by the system to the MCDU (via the CFDIU).
4 TEST
_ This report is established using data only available after execution of the test activated by the operator and transmitted once by the system to the MCDU (via the CFDIU) (data not memorized by the BITE). For all these functions the CFDIU is only used as an interface between the system and the MCDU. It displays the data transmitted by the system and corresponding to the function selected on the MCDU. All these functions, proper to a Type 1 system BITE, involve an action on the system ( request for transmission of data).
(c) Periods for the establishment of these reports and availability on the MCDU.
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
(Ref. Fig. 047)
R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
(Ref. Fig. 047A)
**ON A/C ALL
The figures referenced above detail the periods when these reports are memorized by the system and when they are available on the MCDU. It should be noted that the BITE functions are only available on the ground.
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(2) Type 2 systems For these systems, the basic functions is the LAST LEG REPORT. Among the optional functions, there are:
-CLASS 3 FAULTS
-TEST
(Ref. Fig. 048)
Unlike Type 1 systems, Type 2 systems do not have a Menu Mode: these
functions are presented on the MCDU by the CFDIU (pseudo Menu Mode).
(a)
Description of reports The contents of these functions is the same as for Type 1 systems but their presentation is slightly different:
(b)
Report establishment mode These different reports are established by the systems. The LAST LEG REPORT and the CLASS 3 FAULTS are established using Normal Mode operation of the system in flight and on the groundi.e. using the permanent memorization in the system of faults detected during the last flight. These reports concern zones 1 and 3 of the BITE. When one of these functions is selected by the operator, the corresponding data are read by the CFDIU and displayed by the latter on the MCDUs (pseudo Menu Mode). The test function is established using data only available after execution of the test activated by the operator via the MCDU and the CFDIU and transmitted three times by the system to the CFDIU (data not memorized by the BITE and transmitted in addition to the previous fault data).
1_ LAST LEG REPORT
(Ref. Fig. 049)
The fault messages contain the name of the faulty LRU
associated with the ATA reference (the time at which the
failure occurred is not displayed).
2_ CLASS 3 FAULTS
(Ref. Fig. 049)
The fault messages contain the name of the faulty equipment
associated with the ATA reference.
3_ TEST
(Ref. Fig. 049)
Identical to Type 1 system.
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CFDIU - Establishment and Availability of the
Reports - Type 1 and 2 Systems
Figure 047
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CFDIU - Establishment and Availability of the Reports - Type 1 and 2 systems
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