MAKE SURE THE AIRPLANE IS IN THIS CONFIGURATION: ELECTRICAL POWER IS ON (AMM 24-22-00/201)
REVERSER FAULT
HYDRAULIC POWER IS ON (AMM 29-15-00/201) LIGHTS ("VALVE ENGINE FIRE SWITCHES PUSHED IN DISAGREE" AND THRUST REVERSER SLEEVES RETRACTED
"RESTOW") COME ON
WARNING:BE CAREFUL WHEN YOU DO WORK NEAR THE THRUST
WHEN REVERSER IS
REVERSER AND WHEN YOU OPERATE THE FLIGHT EXTENDED. REVERSER
DECK CONTROLS. INJURY TO PERSONS OR DAMAGE OPERATES NORMALLY. TO EQUIPMENT CAN OCCUR.
NO

1 DISCONNECT PLUG D3054 20 REPAIR THE CIRCUIT BETWEEN

(D3058) FROM THE REVERSER  CONNECTORS AS REQUIRED
CONTROL VALVE MODULE, M1173  (WDM 78-31-11,-21).
(M1174).
REMOVE THE ENGINE ACCES-SORY UNIT, M528, FOR ACCESS TOYES YES
CONNECTOR D1458A (D1458B). 10 REPLACE THE ENGINE ACCES-21 REPLACE THE CONTROL VALVE
DO A CONTINUITY TEST SORY UNIT, M528 (AMM 78-34-06/ MODULE, M1173 (M1174) BETWEEN THESE CONNECTORS AND401). (AMM 78-34-01/401). PINS AS FOLLOWS (WDM 78-31-11, IS THE "VALVE DISAGREE"
LIGHT ON?
NO 22 THE SYSTEM IS OK.

-21):
D3054 (D3058)
PIN 2PIN 4 PIN 5 PIN 7
IS THERE CONTINUITY?
DO THESE STEPS TO MAKE SURE THE SYSTEM IS SERVICEABLE: . ON THE ENGINE ACCESSORY UNIT, M528, PUSH THE RESET BUTTON TO ERASE THE FAULT INDICATIONS . DO THE OPERATIONAL TEST FOR THE THRUST REVERSER (AMM 78-31-00/501).
AIRPLANES WITH THRUST REVERSER SYNC LOCKS

Reverser Fault Lights (VALVE DISAGREE and RESTOW) Come On
When Reverser is Extended. Reverser Operates Normally.
Figure 123

C97179
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIX LIGHT EAU ú

 71-00-50
 WITH AND WITHOUT SYNC LOCKS  ú CONFIG 7 ú C01 Page 174 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES
MAKE SURE THESE CIRCUIT BREAKERS ARE CLOSED:
 ENG 1 SYNC LOCK

ENG 1 THR REV CONT SYS
 ENG 1 THR REV IND SYS
 ENG 2 SYNC LOCK
 ENG 2 SYNC LOCK-ALTN
 ENG 2 THR REV CONT SYS
 ENG 2 THR REV CONT SYS-ALTN
 ENG 2 THR REV IND SYS
MAKE SURE THE AIRPLANE IS IN THIS CONFIGURATION:
 ELECTRICAL POWER IS ON (AMM 24-22-00/201)
HYDRAULIC POWER IS ON (AMM 29-15-00/201)
REVERSER FAULT
ENGINE FIRE SWITCHES PUSHED INLIGHT ("RESTOW") THRUST REVERSER SLEEVES RETRACTED STAYS ON WHEN
_______BE CAREFUL WHEN YOU DO WORK NEAR THE THRUSTWARNING:
REVERSER IS EXTENDED.
REVERSER AND WHEN YOU OPERATE THE FLIGHT REVERSER OPERATES
DECK CONTROLS. INJURY TO PERSONS OR DAMAGE NORMALLY. TO EQUIPMENT CAN OCCUR.
NO

1 DISCONNECT PLUG D3054
20 REPAIR THE CIRCUIT BETWEEN

(D3058) FROM THE REVERSER  CONNECTORS AS REQUIRED
CONTROL VALVE MODULE, M1173  (WDM 78-31-11,-21).
(M1174).
REMOVE THE ENGINE ACCES-SORY UNIT, M528, FOR ACCESS TOYES YES
CONNECTOR D1458A (D1458B).
10 REPLACE THE ENGINE ACCES-21 REPLACE THE CONTROL VALVE
DO A CONTINUITY TEST SORY UNIT, M528 (AMM 78-34-06/ MODULE, M1173 (M1174) BETWEEN THESE CONNECTORS AND401). (AMM 78-34-01/401).PINS AS FOLLOWS (WDM 78-31-11, IS THE "REVERSER" FAULT
LIGHT ON?
NO 22 THE SYSTEM IS OK.

-21):
D3054 (D3058)
PIN 2PIN 4 PIN 5 PIN 7
IS THERE CONTINUITY?
DO THESE STEPS TO MAKE SURE THE SYSTEM IS SERVICEABLE:
. ON THE ENGINE ACCESSORY UNIT, M528, PUSH THE RESET
BUTTON TO ERASE THE FAULT INDICATIONS
. DO THE OPERATIONAL TEST FOR THE THRUST REVERSER
(AMM 78-31-00/501).

AIRPLANES WITH THRUST REVERSER SYNC LOCKS
Reverser Fault Light (RESTOW) Stays On
When Reverser Is Extended. Reverser Operates Normally.
Figure 124

 C97180
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIXTEEN LIGHT EAU ú

 71-00-50
 WITH AND WITHOUT SYNC LOCKS  ú CONFIG 7 ú C01 Page 175 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
PREREQUISITES
　
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