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 If you move a LGCIU to a different aircraft, it keeps the failure data of the aircraft it was on before. The aircraft on which each failure occurred can be identified. The specified aircraft identification code shows when the applicable failure message shows.
 (3) LRU IDENTIFICATION
 This display shows the part numbers of the LGCIU hardware and software.
R  (4) TROUBLE SHOOTING DATA (Ref. Fig. 001) This display shows the failure data kept in the NOVOL RAM. It has two types of page, one for flight failures and one for ground failures. For those failures that occur in flight, the page heading includes the aircraft identification code. For those failures that occur on the ground, the message GROUND replaces the aircraft identification code. 
R R R R  The page for flight failures can show a maximum of three lines of data. The page for ground failures can show a maximum of seven lines of data. The sequence in which the data shows, and the procedure for the NEXT PAGE key, is the same as that for the PREVIOUS LEG REPORT.
 If a failure has occured since the last flight, there will be some failure data in the ground memory of the NOVOL RAM. The selection of the TROUBLE SHOOTING DATA key causes the display to show this data first (GROUND page).

 

 The trouble shooting data shows on different pages when the:
 -NOVOL RAM keeps the data on different dates
 -data refers to a different aircraft.
 (5) GROUND SCANNING
R This display gives the failure messages for those failures that occur when the aircraft is on the ground. It can show a maximum of three failure messages. The display will show the third failure message when you use the NEXT PAGE key, but this will have no effect if the
R display shows all of the failure messages. The ground scanning
R messages are removed from the memory at the subsequent engine start.

 (6) TEST
 When you make a TEST selection on the MCDU, the display will show:
 -
TEST WAIT (10 secs).
 In the subsequent 10 seconds the BITE does the self-test. When the
 test is complete the initial indication changes to one of these:

 -
TEST OK

 

 -TEST, the CFDS failure indication(s) (Ref. Tables 1 and 2), and the message END OF TEST.
 (7) LANDING GEAR SIMULATION
 When the MCDU is set to LANDING GEAR SIMULATION, the L/G simulation display shows. This display gives seven L/G configurations:
 NOSE NOSE + LH LEFT HAND NOSE + RH RIGHT HAND LH + RH NOSE + LH + RH
 When you make a selection from this display, the display changes to one which gives these four L/G positions:
 COMPRESSED EXTENDED DOWN LOCKED UP LOCKED
 1EFF : ALL 1 32-69-00Page 10 1 1 Aug 01/03 1 1 1CES 1

 An arrow-head shape (<) shows adjacent to the indications for the
 positions not held by the L/G.

 (Ref. Fig. 001)

 The arrow-head shape shows that a simulation of these positions can
 be made. When you make a simulation selection of these positions, the
 arrow-head shape goes out of view.
 For example - The NLG is locked down and compressed:

 COMPRESSED - L/G position <EXTENDED - can be simulated DOWN LOCKED - L/G position <UP LOCKED - can be simulated.
 4.
 Power Supply

____________
 Not applicable

 5.
 Interface

_________
 Not applicable

 6.
 Component Description

_____________________
 Not applicable

 7.
 Operation/Control and Indicating

________________________________
 The Tables that follow give the failure indications that the LGCIUs transmit
 to the CFDS.
R **ON A/C 001-003, 051-052,
 LGCIU 1 Failure Indications
 Table 1

 1EFF : ALL 1 32-69-00Page 11 1 1 May 01/05 1 1 1CES 1 -------------------------------------------------------------------------------MESSAGE ATA MESSAGE TEXT NUMBER REFERENCE -------------------------------------------------------------------------------

1 323171
2 313234
3 323112
4 Not used
 5 323134
6 Not used
 7 Not used
 8 Not used
 9 Not used 10 Not used 11 322113 12 Not used 13 Not used 14 323111 15 323173 16 323173 17 323173 18 323173 19 323173 20 323173 21 323173 22 323173 23 323173 24 323173 25 323173 26 323173 27 323173 28 323173 29 323173 30 323173 31 523115 32 523215 33 523115 34 523215 35 523513 36 523513 37 275115 38 275115 39 Not used 40 Not used 41 323171 42 Not used 43 Not used LGCIU1 05GA1LGCIU1: NO DATA FROM CFDSL/G SEL VALVE 40GA
L/G DOORS SEL VALVE 41GA
N L/G SHOCK ABSORBER 2526GM
　
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