21 REPLACE THE ENGINE ACCES-SORY UNIT, M528 (AMM 78-34-06/401).
YES11 LOOK FOR HYDRAULIC LEAKS BETWEEN THE TEE IN THE STRUT AND THE ACTUATORS ON THE SLOW SIDE.
DO YOU SEE A LEAK?
NO
SEE SHEET 2 (BLOCK 12)
22 REPAIR, REPLACE OR TIGHTEN THE CONNECTIONS OR TUBING ASNECESSARY.
1
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).
2 AIRPLANES WITH THRUST REVERSER SYNC LOCKS
Reverser Fault Light (SLEEVE DISAGREE) Stays On When Reverser is Retracted.
Reverser Operates Normally.
Figure 116 (Sheet 1)
C97153
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIX LIGHT EAU ú
71-00-50
WITH AND WITHOUT SYNC LOCKS ú CONFIG 7
ú C01 Page 158
ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 Reverser is Retracted.
Reverser Operates Normally.
Figure 116 (Sheet 2)
C97154
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIX LIGHT EAU ú
71-00-50
WITH AND WITHOUT SYNC LOCKS ú CONFIG 7 ú C01 Page 159 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
THE REVERSER FAULT LIGHT STAYS ON WHEN REVERSER IS RETRACTED. THE REVERSER OPERATES NORMALLY.
YES
1 EXAMINE THE LIGHTS ON THE
ENGINE ACCESSORY UNIT.
ARE THE S831 AND S835 "NOT STOW", THE APPLICABLE "ISO VLV OPEN" (S833 OR S830), AND THE RESTOW LIGHTS ON?
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
WARNING:BE CAREFUL WHEN YOU DO WORK NEAR THE THRUST REVERSER AND WHEN YOU OPERATE THE FLIGHT DECK CONTROLS. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
20 DO THIS PROCEDURE: REVERSER FAULT LIGHTS ("ISO VLV OPEN" AND "RESTOW") STAY ON WHEN REVERSER IS RETRACTED. REVERSER OPERATES NORMALLY (FIG. 118).
STOW", THE APPLICABLE "ISO VLV OPEN" (S833 OR S830), AND THE RESTOW LIGHTS ON? ON WHEN REVERSER IS RETRACTED. VLV OPEN" AND "RESTOW") STAY REVERSER FAULT LIGHTS ("ISO
(BLOCK 4) SEE SHEET 2 NORMALLY (FIG. 119).
AIRPLANES WITH THRUST REVERSER SYNC LOCKS
The Reverser Fault Light Stays On When Reverser Is Retracted.
The Reverser Operates Normally.
Figure 117 (Sheet 1)
C97155
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SIXTEEN LIGHT EAU ú
71-00-50
WITH AND WITHOUT SYNC LOCKS ú CONFIG 7
ú C01 Page 160
ú Jul 15/95
