Open these circuit breakers and install safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
B 6 C00149 ANTI-ICE & RAIN ENGINE 2 CONTROL
F/O Electrical System Panel, P6-2
Row Col Number Name
C 5 C01267 ENGINE 2 THRUST REVERSER SYNC LOCK
C 6 C01413 ENGINE 2 THRUST REVERSER INTLK
C 7 C00277 ENGINE 2 THRUST REVERSER CONT
C 8 C01004 ENGINE 2 THRUST REVERSER IND
(d) Make sure the thrust levers and reverse thrust levers are at their idle stops.
(e) To gain access to the forward parts of the left or right switchpack, do this step:
Open this access panel:
Number Name/Location
112A Forward Access Door
(f) Remove the applicable top panel in the nose wheel well (TASK 53-14-01-020-801).
SUBTASK 76-11-07-040-001-F00
(3) If not already done, do these steps to disconnect the applicable switchpack connectors
(Figure 501):
(a) For the left switchpack, disconnect the electrical connectors, D11128P and D11130P.
(b) For the right switchpack, disconnect the electrical connectors, D11132P and D11134P.
F. Switch Installation Test
SUBTASK 76-11-07-700-002-F00
(1) Do these steps to show engine test menu on the FMCS CDU:
(a) Make sure that the applicable engine thrust lever and reverse thrust lever is at the IDLE
stop.
(b) Get access to the FMCS CDU in the flight compartment.
(c) Press the INIT REF key to show the PERF INIT screen on the FMCS CDU.
(d) Push these line select keys (LSK) on the FMCS CDU:
1) INDEX.
2) MAINT.
NOTE: This LSK causes the MAINT BITE INDEX screen to show.
3) ENGINE.
NOTE: This LSK causes the ENGINE/EXCEED BITE INDEX screen to show.
4) ENGINE X for the applicable resolver.
NOTE: This LSK causes the ENGINE X BITE TEST MAIN MENU to show. Also, the
ENGINE X LSK automatically applies power to the EEC and causes the
EEC to initialize. The CDU will show INITIALIZING EEC X, and EEC
SORTING FAULT HISTORY DATA for a short time, just before the ENGINE
X BITE TEST MAIN MENU shows.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
CFM56 ENGINES (CFM56-7)
76-11-07
Page 503
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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