(c)
Strut No. 3 DS1685
(d)
Strut No. 4 DS1686
S 215-012-N02
(11) Make sure the status message ENG X REVERSER shows on the EICAS display.
NOTE: The EICAS message can take up to 5 seconds to show.
____
D. CMC MESSAGE CHECK
S 865-114-N02
(1)
Move the reverse thrust lever for engine X to the deploy position.
S 865-084-N02
(2)
Operate engine X manual override lever on the thrust reverser isolation valve (located inside the strut) to prevent fluid lock.
NOTE: A pin can be used to hold the override lever in the
____
depressed position.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -10 OR -11 VERSIONS OF ú
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IDS SOFTWARE. ú CONFIG 2 ú N01 Page 503 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 865-085-N02
CAUTION:_______DO NOT PRY AGAINST OTHER PARTS. IF YOU PRY AGAINST OTHER PARTS THEY WILL BE DAMAGED.
(3) Release the lock on both engine X center actuators.
(a)
Push lever aft and engage trip lever.
(b)
Carefully use pliers when moving lever.
S 865-086-N02
(4) Operate engine X manual crank (located at the end of the sync shaft locks) to extend one reverser half approximately 6 to 12 inches away from the fully stowed position.
(a)
To unlock the sync lock, insert the drive into the slot in the end of the sync shaft and push back the pin.
(b)
The shaft will be free to turn.
NOTE: To help you push back the pin, place a 5/8 inch
____ open end wrench on the outside diameter of the drive receptacle and rotate from side to side at the same time you push back the pin.
S 865-087-N02
(5)
Move the reverse thrust lever for engine X to the fully stowed position.
S 865-088-N02
(6)
Apply actuators to the following Air/Gnd proximity sensors.
NOTE: This will put the primary and alternate Air/Gnd systems
____
in the AIR mode.
(a) Sensors:
1) S417 L/H Wing Tilt Primary
2) S615 L/H Wing Tilt Alternate
3) S419 L/H Body Tilt Primary
4) S612 L/H Body Tilt Alternate
5) S416 R/H Wing Tilt Primary
6) S614 R/H Wing Tilt Alternate
7) S418 R/H Body Tilt Primary
8) S613 R/H Body Tilt alternate
9) S800 Nose Squat Primary
10) S801 Nose Squat Alternate
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -10 OR -11 VERSIONS OF ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 945-089-N02
(7) Stop for 4 seconds.
NOTE: The steps that follow use existing faults in the CMC to
____ verify Active and NOT Active messages in chapter 71. An asterisk (*) adjacent to the message indicates that the fault is Active.
S 215-090-N02
(8) Make sure these CMC messages are ACTIVE on the CDU (Control Display Unit):
(a)
"ENG X THRUST REVERSER UNSTOW WIRING FAIL"
(b)
"ENG X T/R UNCOMMANDED LOCK POWER OR DEPLOY COMMAND
10 DEG SW FAIL"
S 865-091-N02
(9) For the applicable engine, open the circuit breaker on the Main Power Distribution Panel (P6):
(a)
6F11 ENG 1 T/R LOCK CONT
(b)
6E11 ENG 2 T/R LOCK CONT
(c)
6D11 ENG 3 T/R LOCK CONT
(d)
6C11 ENG 4 T/R LOCK CONT
S 215-092-N02
(10) Make sure this CMC message is NOT Active on the CDU:
(a) "ENG X T/R UNCOMMANDED LOCK POWER OR DEPLOY COMMAND
10 DEG SW FAIL"
S 215-093-N02
(11) Make sure this CMC message is still Active on the CDU:
(a) "ENG X THRUST REVERSER UNSTOW RELAY WIRING FAIL"
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