S 862-116
(2) Open these circuit breakers on the P11 panel:
(a)
11G11, AUTO SPEED BRAKE
(b)
11S21, AUTO BRAKE
S 862-117
(3)
Do the "Prepare to Test" steps.
S 862-118
(4)
Set these switches on the P5 panel:
(a)
Set the L and R PACK switch/lights to OFF.
(b)
Set the WING and L and R ENGINE switch/lights on the ANTI-ICE panel to OFF.
(c)
Set the BLEED AIR panel ISOLATION switch/light to the open position (the switch is pushed in).
(d)
Set the BLEED AIR panel L ENG and R ENG switch/lights to OFF (the switch is pushed in).
S 862-119
(5) Make sure the reverse thrust levers are set at idle and in the forward thrust position.
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S 862-120
WARNING: DO THE THRUST REVERSER ISOLATION VALVE DEACTIVATION PROCEDURE
_______ (AMM 78-31-00). FAILURE TO DEACTIVATE THE THRUST REVERSER ISOLATION VALVE CAN CAUSE ACCIDENTAL THRUST REVERSER OPERATION. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(6)
Deactivate the thrust reverser isolation valve for ground maintenance (AMM 78-31-00).
S 862-123
(7)
Supply pneumatic power (AMM 36-00-00/201) when Procedure 2 is used.
S 742-124
(8)
Do MCDP test 52.
NOTE: The MCDP shows TMC FAIL if the TMC had a self-test failure
____ when it went into GND TEST MODE. If no TMC FAIL message shows, MCDP shows TMC interface faults related to the ECS relay. These test steps make sure all TMC analog input discrete signal paths are OK.
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~...............................................................................
| TEST 52 - TMC RLY/SW - PROCEDURE 1 |
.................................................................................
| | | OPERATION ACTION |
| | MCDP | |
| TEST | INTERACTION | NOTE:____ PUSH AND HOLD THE TEST SWITCH UNTIL |
| STEP | MESSAGE | MCDP MOVES TO THE NEXT TEST SWITCH. |
| | | IF THE MCDP TEST DOES NOT MOVE |
| | | REFER TO 22-00-04, FIG. 102 |
................................................................................. | 1 | 52 SET L PACK | PUSH THE TEST HIGH SWITCH ON THE L ECS CARD| | | SW ON | M10313.| .................................................................................| | |
| | 2 | 52 SET L PACK | RELEASE THE TEST HIGH SWITCH AND PUSH THE| | | SW OFF | TEST LOW SWITCH ON THE L ECS CARD M10313.| .................................................................................| | |
| | 3 | 52 SET R PACK | RELEASE THE L ECS CARD M10313 TEST LOW SWITCH| | | SW ON | AND PUSH THE TEST HIGH SWITCH ON THE R ECS| | | | CARD M10312.| .................................................................................| | |
| | 4 | 52 SET R PACK | RELEASE THE TEST HIGH SWITCH AND PUSH THE| | | SW OFF | TEST LOW SWITCH ON R ECS CARD M10312.| .................................................................................| | |
| | 5 | 52 ECS PACK L/R | RELEASE THE R ECS CARD M10312 TEST LOW SWITCH| | | LO LO | AND PUSH THE TEST HIGH SWITCHES ON THE L AND| | | | THE R ECS CARDS (M10313, M10312).| .................................................................................| | |
| | 6 | 52 ECS PACK L/R | RELEASE THE TEST HIGH SWITCHES AND PUSH THE| | | HI HI | TEST LOW SWITCH ON THE L AND THE R ECS CARD| | | | (M10313, M10312).| .................................................................................| | |
| | 7 | 52 ECS PACK L/R | RELEASE THE TEST SWITCHES ON THE L AND R ECS| | | LO LO | CARDS (M10313, M10312) AND PUSH THE MCDP| | | | YES/ADV SWITCH| .................................................................................| | |
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