S 215-028-N01

 (15)
 Make sure the advisory message ENG X REVERSER does not show on the EICAS display.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -12 OR LATER VERSIONS OF ú

 78-36-00
 IDS SOFTWARE.  ú CONFIG 1 ú N03 Page 508 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 865-109-N01
 (16)
 Move the reverse thrust lever for engine X to the fully stowed position.

 S 215-110-N01

 (17)
 Make sure the advisory message ENG X REVERSER shows on the EICAS display.

 NOTE: The EICAS message can take up to 5 seconds to show.
____
 S 865-111-N01
 (18)
 Remove the jumper wire from between pins 2 and 1 of the electrical connector for the hydraulic pressure switch.

 S 435-031-N01

 (19)
 Install the electrical connector on the pressure switch, which is found on the isolation valve (DS1683).

 S 035-119-N01

 (20)
 On the applicable engine strut, disconnect the electrical connector for the hydraulic pressure switch on the isolation valve.

 (a)  
Strut No. 1 DS1683

 (b)  
Strut No. 2 DS1684

 (c)  
Strut No. 3 DS1685

 (d)  
Strut No. 4 DS1686

 S 215-032-N01
 (21)
 Make sure the advisory message ENG X REVERSER does not show on the EICAS display.

 S 845-112-N01

 (22)
 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.

 G.
Put the Airplane Back to Its Usual Condition.

 S 865-033-N01
 (1)  If it is necessary, erase the status message ENG X REVERSER on the EICAS display (AMM 31-61-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -12 OR LATER VERSIONS OF ú

 78-36-00
 IDS SOFTWARE.  ú CONFIG 1 ú N03 Page 509 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(2)  S 615-034-N01Do this task:  Hydraulic System Pressurization (AMM 29-11-00/201).
 (3)  S 865-035-N01Remove the electrical power if not necessary (AMM 24-22-00/201).
 (4)  S 715-036-N01Do the operational test of the thrust reverser (AMM 78-31-00/501).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -12 OR LATER VERSIONS OF ú

 78-36-00
 IDS SOFTWARE.  ú CONFIG 1 ú N03 Page 510 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
THRUST REVERSER INDICATION SYSTEM - ADJUSTMENT/TEST
___________________________________________________
 1.  General
_______
 A.  This procedure gives instructions to do a check of the CMC messages and a wiring test of the disagreement circuit for the thrust reverser. The EICAS message ENG X REVERSER will show when there is a failure in the thrust reverser system.
 NOTE:____"X" is the applicable engine number: 1, 2, 3, or 4.
 B.  The circuit for the EICAS message ENG X REVERSER has a time delay
 mechanism to prevent nuisance messages. It can require up to 90 seconds
 for the EICAS message ENG X REVERSER to show.

 TASK 78-36-00-705-001-N02
 2.  Do a Check of the Disagree Circuit for the Thrust Reverser System
_________________________________________________________________
 A.  References
 (1)
AMM 24-22-00/201, Manual Control

 (2)
AMM 29-11-00/201, Main Hydraulic System

 (3)
AMM 31-61-00/201, Integrated Display System

 B.  
Access

 (1)  
Location Zones
 450 Engine Strut 1
　
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