SPLICE SM101 (SM98), IN THEYES P6-2 CIRCUIT BREAKER PANEL (WDM 78-32-11,-21).

34 REPLACE THE CONTROL VALVE
MODULE FOR THE THRUST
REVERSER, M1173 (M1174)
(AMM 78-34-01/401).

IF THE PROBLEM CONTINUES, REPLACE THE HYDRAULIC FUSES TO THE THRUST REVERSER (AMM 78-34-07/401).

Reverser Does Not Extend. REVERSER UNLOCKED Light Does Not Come On.
Reverse Interlock Does Not Release.
Figure 105 (Sheet 5)

C97117
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIXTEEN LIGHT EAU ú

 71-00-50
 WITH AND WITHOUT SYNC LOCKS  ú CONFIG 7 ú C01 Page 124 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 THR REV CONT SYS ENG 1 THR REV IND SYS ENG 1 SYNC LOCK ENG 2 SYNC LOCK ENG 2 SYNC LOCK-ALTN ENG 2 THR REV CONT SYS-ALTN ENG 2 THR REV CONT SYS 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) ENGINE FIRE SWITCHES ARE PUSHED IN THRUST REVERSER SLEEVES ARE EXTENDED REVERSE THRUST LEVER IN THE REVERSE IDLE POSITION
REVERSER DOES NOT LOCKPIN INSTALLED IN THE THRUST REVERSER CONTROL RETRACT. "REVERSER VALVE (AMM 78-31-00/201) UNLOCKED" LIGHT
_______BE CAREFUL WHEN YOU DO WORK NEAR THE THRUSTWARNING:
STAYS ON WHEN
REVERSER AND WHEN YOU OPERATE THE FLIGHT REVERSE THRUST
DECK CONTROLS. INJURY TO PERSONS OR DAMAGE CANCELLED. TO EQUIPMENT CAN OCCUR.

YES

1 MOVE THE REVERSE THRUST
40 DO A CHECK FOR AN EQUIP-LEVER TO THE REVERSE IDLEMENT SHORT TO GROUND
POSITION. (WDM 78-32-11,-21).

WAIT 30 SECONDS. REPAIR THE PROBLEMS THAT

. 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).
Reverser Does Not Retract. REVERSER UNLOCKED Light Stays On When Reverse Thrust Cancelled. Figure 106 (Sheet 1)
C97118
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH TWO LIGHT EAU ú

 71-00-50
 WITH SYNC LOCKS  ú  CONFIG  7
 WITH REVISED STOW SWITCH WIRING  ú  C01  Page 125
 ú  Jul 15/94 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM SHEET 1 (BLOCK 1)
NO
YES

NO

20 DEPRESSURIZE THE A (B) 41 OPEN THE CIRCUIT BREAKER HYDRAULIC SYSTEM."ENG 1 THRUST REV CONT" WAIT A MINIMUM OF ("ENG 2 THRUST REV CONT" AND
NO
30 SECONDS."ENG 2 THRUST REV CONT-ALTN"). DOES THE "REVERSER" LIGHT REMOVE THE ENGINE ACCES-SEE SHEET 4 GO OFF? SORY UNIT, M528, FROM THE E3 (BLOCK 3)

RACK.
YES
CLOSE THE CIRCUIT BREAKER "ENG 1 THRUST REV CONT" 21 OPEN THE CIRCUIT BREAKER ("ENG 2 THRUST REV CONT" AND
"ENG 1 SYNC LOCK" ("ENG 2 SYNC "ENG 2 THRUST REV CONT-ALTN"). LOCK" AND "ENG 2 SYNC LOCK-DO A CHECK FOR 28V DC ALTN"). BETWEEN CONNECTOR D1458A
 DISCONNECT THE L (R) (D1458B), PIN 21, AND GROUND. SLEEVE SYNC LOCK, CONNECTOR IF THERE IS 28V DC, D1008 OR D1016. REPLACE THE ENGINE ACCESSORY
 CLOSE THE CIRCUIT BREAKER UNIT, M528 (AMM 78-34-06/401)."ENG 1 SYNC LOCK" ("ENG 2 SYNC IF THERE IS NOT 28V DC, LOCK" AND "ENG 2 SYNC LOCK-EXAMINE THE CIRCUIT FROM THE ALTN"). ENGINE ACCESSORY UNIT, M528,
MOVE THE REVERSE THRUST CONNECTOR D1458A (D1458B), LEVER FROM THE STOW POSITION, PIN 21, TO THE CONTROL CIRCUIT THEN PUT IT BACK IN THE STOW BREAKER.POSITION. REPAIR THE PROBLEMS THAT
IN LESS THAN 120 SECONDS YOU FIND.FROM THE TIME YOU PUT THE REVERSE THRUST LEVER BACK IN THE STOW POSITION, DO A CHECK FOR 28V DC ON THE L (R) SLEEVE

YES
SYNC LOCK, CONNECTOR D1008
42 DO A CHECK FOR GROUND AT OR D1016, PIN 1 (PIN 2, THE L (R) SLEEVE SYNC LOCK, GROUND)(WDM 78-32-51,-61).CONNECTOR D1008 OR D1016,
　
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