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发表于 2013-10-14 18:07:53
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来自： 中国陕西宝鸡
TASK 34-52-00-720-005-A
Functional Test of the ATC/Mode S Transponder
NOTE: You must do this test very quickly to prevent interference with air traffic, specially if the aircraft is in the open air. If the test is long, you must tell the nearest airport of this test.
NOTE: For best test results, buildings, vehicles and other aircraft must not be in the area of the main antenna lobe (approx 30 ft.).
1. Reason for the Job
Refer to the MPD TASK: 345200-03
FUNCTIONAL CHECK OF ATC TRANSPONDER TO FAR PART 43 APPENDIX F
NOTE: There are alternative methods for this procedure. This task gives one of the methods. For the other method with a different Ground Test Unit, refer to the other task in this page block.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
REFERENCE QTY DESIGNATION
No specific AR SAFETY CLIP - CIRCUIT BREAKER
No specific AR TEST UNIT TIC T-49 ATCRBS/MODE S OR EQUIVALENT
B. Referenced Information
REFERENCE DESIGNATION
22-70-00-710-002-A Operational Test of the Initialization of the Flight Plan
24-41-00-861-002-A Energize the Aircraft Electrical Circuits from the External Power
24-41-00-861-002-A-01 Energize the Aircraft Electrical Circuits from the APU
24-41-00-861-002-A-02 Energize the Aircraft Electrical Circuits from Engine 1(2)
24-41-00-862-002-A De-energize the Aircraft Electrical Circuits Supplied from the External Power
24-41-00-862-002-A-01 De-energize the Aircraft Electrical Circuits Supplied from the APU
24-41-00-862-002-A-02 De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
32-00-00-860-001-A Flight Configuration Precautions with Electrical Power
32-00-00-860-001-A-01 Flight Configuration Precautions without Electrical Power
32-00-00-860-002-A Ground Configuration after Flight Configuration with Electrical Power
32-00-00-860-002-A-01 Ground Configuration after Flight Configuration without Electrical Power
34-10-00-860-002-A ADIRS Start Procedure
34-10-00-860-005-A ADIRS Stop Procedure
3. Job Set-up
Subtask 34-52-00-860-073-A
A. Obey the applicable safety precautions before you open the LGCIU circuit breakers (Ref. AMM TASK 32-00-00-860-001) .
Subtask 34-52-00-860-083-K
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002) .
(2) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002) .
(3) Enter a flight entry to get a flight number (Ref. AMM TASK 22-70-00-710-002) .
NOTE: Use a company route stored in the NAV DATA BASE. Enter the flight number manually in the MCDU if it is not displayed.
(4) On the center pedestal:
(a) On the ATC/TCAS control unit:
- Start the ATC system 1(2)
- Enter the ATC code 7776, or a different code given by your local authorities, to keep the traffic interference to a minimum
- Set the ALT RPTG ON/OFF switch to ON
- Set the ON/AUTO/STBY switch to ON.
(b) On the SWITCHING panel 8VU:
- Make sure that the AIR DATA selector switch is at NORM.
** ON A/C 001-102
Subtask 34-52-00-480-050-A
C. Install the TEST UNIT TIC T-49 ATCRBS/MODE S OR EQUIVALENT in the cockpit.
(1) Connect the test antenna to the test unit.
(2) Put the test antenna near the ATC antenna for which you do the test (approx. 2 ft.).
** ON A/C 103-200
Subtask 34-52-00-480-050-B
C. Install the TEST UNIT TIC T-49 ATCRBS/MODE S OR EQUIVALENT in the cockpit.
(1) Connect the test antenna to the test unit.
(2) Put the test antenna near the ATC 1 (2) antenna for which you do the test (approx. 2 ft.).
NOTE: For the test of the ATC 2 function, you must use the TCAS antennas (not the ATC 2 antennas).
** ON A/C ALL
Subtask 34-52-00-865-061-A
D. Open, safety and tag this(these) circuit breaker(s):
PANEL DESIGNATION FIN LOCATION
49VU L/G/LGCIU/SYS1/NORM 1GA C09
121VU HYDRAULIC/LGCIU/SYS2 2GA Q35
121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
Subtask 34-52-00-865-057-A
E. Make sure that this(these) circuit breaker(s) is(are) closed:
PANEL DESIGNATION FIN LOCATION
49VU COM NAV/ATC/1 5SH1 G11
** ON A/C 001-102
121VU COM NAV/ATC/2 5SH2 K07
** ON A/C 103-200
121VU T/TISS 2004SG K07
** ON A/C ALL
4. Procedure
Subtask 34-52-00-720-051-G
A. Functional Test of the ATC/Mode S Transponder
NOTE: Do the test of the ATC bottom antenna 1(2) first.
Then, do the test of the ATC top antenna 1(2).
ACTION RESULT
1.On the ATC ground test unit: On the ATC ground test unit:
- set the ATCRBS/MODE S/TCAS/XPDR TEST switch to XPDR TEST.
- push the TEST pushbutton switch to start the operation of the test set.
NOTE: You can also start the same test procedure if you push the INTERROGATE pushbutton switch. At the end of this test procedure, a test message shows the system status but all the results given below are not shown.
- the data display shows:
MODE S XPDR COM A/B
INTERROGATE TO TEST.
- push the TEST pushbutton switch.
- the data display shows:
ATCRBS/A
TESTING
and then,
ATCRBS/A
7776, or the code given by the local authorities (see para. 3) XX% REPLY
(XX is a number which indicates the local conditions of reception).
NOTE: You must do the steps that follow in a fast sequence to keep incorrect traffic alarms to a minimum.
2.On the ATC/TCAS control unit:
- set the ALT RPTG selector switch to ON.
3.On the test unit:
- push the TEST pushbutton switch.
On the test unit:
- the data display shows:
ATCRBS/C
TESTING
and then,
ATCRBS/C
Z,ZZZ ft XX% REPLY
(Z,ZZZ is a number which shows, approximately, the local field elevation).
- push the TEST pushbutton switch.
- the data display shows:
ATCRBS/A MODE S ALL
TESTING
and then,
ATCRBS/A MODE S ALL
AIRCRAFT CODE XX% REPLY
(the aircraft code is on 6 digits).
- push the TEST pushbutton switch.
- the data display shows:
ATCRBS/C MODE S ALL
TESTING
and then,
ATCRBS/C MODE S ALL
AIRCRAFT CODE XX% REPLY.
- push the TEST pushbutton switch.
- the data display shows:
ATCRBS/A ONLY
TESTING
and then,
ATCRBS/A ONLY
NO REPLY FROM XPDR.
- push the TEST pushbutton switch.
- the data display shows:
ATCRBS/C ONLY
TESTING
and then,
ATCRBS/C ONLY
NO REPLY FROM XPDR.
- push the TEST pushbutton switch.
- the data display shows:
MODE S SURV IDENTITY
TESTING
MODE S SURV ALTITUDE
TESTING
MODE S SURV SHORT
TESTING
and then:
MODE S SURV XX% REPLY
AIRCRAFT CODE (Make sure that the code display agrees with the code "S" given to that aircraft - 6 digits)
APPROXIMATE LOCAL FIELD-ELEVATION.
push the TEST pushbutton switch.
- the data display shows:
UNDESIRED REPLIES
TESTING
and after a short time during which the display flashes:
UNDESIRED REPLIES
NO REPLIES.
- push the TEST pushbutton switch.
- the data display shows:
SQUITTER
TESTING
and then,
SQUITTER
PASS.
- push the TEST pushbutton switch.
- the data display shows:
DIVERSITY
PASS
- push the TEST pushbutton switch.
- the data display shows:
MAX TRUE AIRSPEED
GT 300 LE 600KTS
- push the TEST pushbutton switch.
(optional step, not mandatory)
- the data display shows:
FLIGHT NO.
TESTING
and then,
FLIGHT NO.
12345678
- push the TEST pushbutton switch.
- the data display shows:
PWR. RCVR. FREQ
TESTING
and then,
1090 MHZ plus or minus 1 MHz
POWER: is more than or equal to 125 W and less than or equal to 500 W
SENSITIVITY: -74 dBm plus or minus 3 dBm
- At the end of the test, set the LIGHTS/OFF switch to OFF.
- the display goes off.
5. Close-up
Subtask 34-52-00-860-051-B
A. Put the aircraft back to its initial configuration.
(1) On the center pedestal, on the ATC/TCAS control unit, set:
- the ALT RPTG ON/OFF switch to OFF.
- the AUTO/ON/STBY switch to STBY.
(2) Do the ADIRS Stop Procedure (Ref. AMM TASK 34-10-00-860-005) .
(3) On the test unit, set the OFF/LIGHTS switch to OFF.
(4) Remove the test antenna and the test unit.
(5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002) .
Subtask 34-52-00-865-062-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANEL DESIGNATION FIN LOCATION
49VU L/G/LGCIU/SYS1/NORM 1GA C09
121VU HYDRAULIC/LGCIU/SYS2 2GA Q35
121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
Subtask 34-52-00-860-074-A
C. Do the ground configuration after the flight configuration (Ref. AMM TASK 32-00-00-860-002) .
这里只是一个function test
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