(f)
Yaw Damper
(g)
LRRA
(h)
VHF NAV
(i)
Compass
S 755-002
(3)
Make sure the ground sensing light is off, to show the airplane is in the ground mode. The light is red, and can be found on the E11 shelf, forward of the nose wheel well.
(4)
Make sure the indicated airspeed (IAS) is less than 50 knots.
(5)
Make sure that each IRS is in the NAV mode.
S 865-003
S 865-004
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A
737-300/400/500MAINTENANCE MANUAL
D. DFCS BITE Test
S 745-005
(1) Do these steps to do the DFCS BITE test.
(a)
Push the INIT/REF key on the FMCS CDU. Make sure the CDU shows the POS INIT or PERF INIT page.
(b)
Push the line select key (LSK) adjacent to (<Index) to show the INIT REF INDEX 1/1.
(c)
Push the LSK adjacent to (<MAINT) to show MAINT BITE INDEX 1/1.
(d)
Push the LSK adjacent to (<DFCS), to show DFCS BITE TEST 1/2.
(e)
Push the LSK adjacent to (<LRU INTERFACE).
(f)
Push the LSK adjacent to (<CHANNEL A or B), for the channel you want to test.
(g)
Push the LSK adjacent to (<FCC) to begin the FCC test.
(h)
Do the steps on the CDU as necessary.
1) AIRPLANES WITH EFIS; Ignore the question, "ARE CPT AND F/O EADI G/S AND LOC SCALES WHITE?". Push the LSK adjacent to <YES.
2) AIRPLANES WITH EFIS; Ignore the question, "ARE CPT AND F/O EADI G/S AND LOC SCALES YELLOW?". Push the LSK adjacent to <YES.
(i)
Push the LSK adjacent to (<CONTINUE) as necessary to complete the test.
(j)
Make sure the test is completed without an indication of failure.
S 865-006
(2) Remove electrical power if it is not necessary.
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737-300/400/500MAINTENANCE MANUAL
DFCS MODE CONTROL PANEL - MAINTENANCE PRACTICES
_______________________________________________
1. General
_______
A. This procedure contains two tasks. The first task is the replacement procedure for the F/D ON indicator lamps and the lamps in the pushbutton switch-light on the DFCS Mode Control Panel (MCP). The second task is the cleaning of the MCP.
B. You can find the DFCS Mode Control Panel (MCP) at the center of the glare shield on the instrument panel, P2. There are fourteen pushbutton switch-lights on the MCP, and two F/D ON indicator lamps.
TASK 22-11-34-962-020
2. Pushbutton Switch-Light Lamp and F/D ON Indicator Lamp Replacement
__________________________________________________________________
NOTE: Pushbutton Switch-Light Lamps in Honeywell P/N 4082260-93X MCP and
____ Honeywell P/N 4051601-93x post Mod G MCP are not line replaceable units. Only the lamps with the "ON" legend on the switch lens are replaceable. MCPs that have the two dots on the switch lenses must be sent to Honeywell for replacement of the lamps.
NOTE: Only the F/D ON indicator lamps on Honeywell P/N 4051601-937 thru
____
P/N 4051601-940 MCPs are line replaceable units.
A. Equipment
(1) Lamp Replacement Tool - P/N 4066608, Honeywell Inc., Sperry Commercial Flight System Group, Phoenix, AZ.
B. References
(1)
22-11-01/501 or 22-11-00/501, Digital Flight Control System
(2)
24-22-00/201, Manual Control
(3)
29-15-00/201, Hydrualic A, B, Standby System
C. Access
(1) Location Zones
101 Control Cabin, Left
102 Control Cabin, Right
