12 CONNECT PLUG D3052 (D3056) 25 REPAIR THE SHORT CIRCUIT
TO THE VALVE MODULE. REMOVE FROM CONNECTOR D1458A THE ENGINE ACCESSORY UNIT, (D1458B), PIN 24, TO THE VALVE M528, FOR ACCESS TO CONNECTOR MODULE, CONNECTOR D3052 D1458A (D1458B)(WDM 78-32-11, (D3056), PIN 7 (WDM 78-32-11, -21). -21).
DO A CONTINUITY TEST. IS THERE CONTINUITY BETWEEN PIN 24 AND GROUND?
NO

Reverser Fault Light ISO VLV OPEN or CONT VLV DEPLOY Stays On
When Reverser Is Retracted. Reverser Operates Normally.
Figure 119 (Sheet 2)

C97168
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIXTEEN LIGHT EAU ú

 71-00-50
 WITH AND WITHOUT SYNC LOCKS  ú CONFIG 7 ú C01 Page 166 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
REVERSER FAULT LIGHT ("SLEEVE DISAGREE") STAYS ON WHEN REVER-SER IS RETRACTED. REVERSER OPERATES NORMALLY.
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)
ENGINE FIRE SWITCHES PUSHED IN
 THRUST REVERSER SLEEVES RETRACTED
REVERSE THRUST LEVER FULLY FORWARD AND DOWN
_______ BE CAREFUL WHEN YOU DO WORK NEAR THE THRUST
WARNING:REVERSER AND WHEN YOU OPERATE THE FLIGHT DECK CONTROLS. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
NO NO

1 EXTEND AND RETRACT THE
11 EXTEND THE THRUST REVERSER
THRUST REVERSER SLEEVES (AMM 78-31-00/201).
(AMM 78-31-00/201). PUSH THE RESET BUTTON ON

IS ONE SLEEVE SLOWER THAN THE EAU.THE OTHER BY 5 SECONDS OR DOES THE "SLEEVE DISAGREE" MORE? LIGHT GO OFF?

YES YES
SEE SHEET 2
(BLOCK 11)

21 WITH THE THRUST REVERSERS
EXTENDED, PUSH THE APPLICABLE
"TEST" BUTTON ON THE EAU.
 LOOK AT THE FOUR "NOT STOW" LIGHTS.
REPLACE THE PROXIMITY SEN-SOR WHOSE LIGHT DID NOT GO ON (AMM 78-34-03/201).
IF ALL FOUR LIGHTS COME ON, REPLACE THE EAU (AMM 78-34-06/401).

DO THESE STEPS TO MAKE SURE THE SYSTEM IS SERVICEABLE:
. EXTEND THE THRUST REVERSER
. 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 (SLEEVE DISAGREE) Stays On When Reverser Is Retracted.
Reverser Operates Normally.
Figure 120 (Sheet 1)

 C97170
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIXTEEN LIGHT EAU ú

 71-00-50
 WITH AND WITHOUT SYNC LOCKS  ú  CONFIG  7
 ú  C01  Page 167
 ú  Jul 15/95 

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) YES

12 LOOK FOR HYDRAULIC LEAKS
BETWEEN THE TEE IN THE STRUT
AND THE ACTUATORS ON THE SLOW
SIDE.
DO YOU SEE A LEAK?
YES

22 REPAIR, REPLACE OR TIGHTEN THE CONNECTIONS OR TUBING AS NECESSARY.

Reverser Fault Light (SLEEVE DISAGREE) Stays On When Reverser Is Retracted.
Reverser Operates Normally.
Figure 120 (Sheet 2)

C97171
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIXTEEN LIGHT EAU ú

 71-00-50
 WITH AND WITHOUT SYNC LOCKS  ú CONFIG 7 ú C01 Page 168 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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