(13)
 Stop for 5 seconds.

 S 215-096-N02

 (14)
 Make sure this CMC message is NOT Active on the CDU:

 (a)  "ENG X THRUST REVERSER UNSTOW RELAY WIRING FAIL"

 (15)
 Connect a jumper from pin 1 to pin 2 of connector DS1683.

 (16)
 Stop for 4 seconds.

 S 945-095-N02
 S 765-097-N02
 S 945-098-N02
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -10 OR -11 VERSIONS OF ú

 78-36-00
 IDS SOFTWARE.  ú  CONFIG  2
 ú  N02  Page 505
 ú  Oct 18/00 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 215-099-N02
 (17) Make sure this CMC message is Active on the CDU:
 (a)  "ENG X THRUST REVERSER PRESSURE SWITCH FAIL"
 S 765-100-N02
 (18)
 Disconnect the jumper from pin 1 and pin 2 of connector DS1683.

 S 215-101-N02

 (19)
 Make sure this CMC message is NOT Active on the CDU:

 (a)  "ENG X THRUST REVERSER PRESSURE SWITCH FAIL"
 S 865-102-N02
 (20) Remove actuators from the following Air/Gnd proximity sensors.
 NOTE: This will put the primary and alternate Air/Gnd systems
____
 in the GROUND 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

 S 865-103-N02
 CAUTION:_______DO NOT PRY AGAINST OTHER PARTS. IF YOU PRY AGAINST OTHER PARTS THEY WILL BE DAMAGED.
 (21) Lock the lock on both engine X center actuators.
 (a)  
Push lever forward and disengage trip lever.

 (b)  
Carefully use pliers when moving lever.

 S 865-104-N02
 (22) Restore the manual override lever on the thrust reverser isolation valve to the normal position.
 NOTE: If a pin was used to hold the override lever in
____
 the depressed position, the pin must be removed.

 S 435-105-N02
 (23) Install the electrical connector for the hydraulic pressure switch on the isolation valve (DS1683).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -10 OR -11 VERSIONS OF ú

 78-36-00
 IDS SOFTWARE.  ú CONFIG 2 ú N02 Page 506 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 945-106-N02
 (24) Erase the status message ENG X REVERSER on the EICAS display (AMM 31-61-00/201).
 (a)  Make sure the status message ENG X REVERSER does not show on the EICAS display.
 S 845-119-N02
 (25)
 If the Wiring Test is not to be done, go to the end of the Wiring Test and Put the Airplane Back to Its Usual Condition.

 E.
WIRING TEST

 S 765-014-N02
 (1)  
Connect a jumper wire between pins 3 and 2 of the electrical connector for the hydraulic pressure switch (pin 2 is electrical ground).

 S 215-047-N02

 (2)  
Erase the status message ENG X REVERSER on the EICAS display (AMM 31-61-00/201).

 (a)  Make sure the status message ENG X REVERSER does not come back on the EICAS display.
 S 865-016-N02
 (3)  Open these circuit breakers on the Overhead Circuit Breaker Panel, P7, and attach the DO-NOT-CLOSE tags:
 (a)  
7F22 LANDING GEAR DSP & CONT PRI

 (b)  
7F23 LANDING GEAR DSP & CONT ALTN

 (c)  
7H08 GND SAFETY RELAY

 S 215-040-N02
 (4)  
　
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