78-CONTENTS 
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CHAPTER 78 
Engine Exhaust PW
CH-SC-SU Subject Page Effectivity 
78-34-00 TRAS -POWER EXTENSION/RETRACTION FOR MAINTENANCE 52 BEJ ALL 
78-34-00 TRAS -THRUST REVERSER DEACTIVATION 55 BEJ ALL 
78-34-00 TRAS -MANUAL EXTENSION/RETRACTION FOR MAINTENANCE 58 BEJ ALL 
78-36-00 THRUST REVERSER (T/R) INDICATING AND FAULT DETECTION -2 BEJ ALL
INTRODUCTION 
78-36-00 T/R INDICATING AND FAULT DETECTION -GENERAL DESCRIPTION 4 BEJ ALL 
78-36-00 T/R INDICATING AND FAULT DETECTION -COMPONENTS 6 BEJ ALL 
78-36-00 T/R INDICATING AND FAULT DETECTION -HYDRAULIC PRESSURE 8 BEJ ALL
SWITCH AND DCV PROXIMITY SENSOR 
78-36-00 T/R INDICATING AND FAULT DETECTION -ACTUATOR LOCK 10 BEJ ALL 
PROXIMITY SENSOR 
78-36-00 T/R INDICATING AND FAULT DETECTION -SYNC LOCK PROXIMITY 12 BEJ ALL 
SENSOR 
78-36-00 T/R INDICATING AND FAULT DETECTION -T/R POSITION 15 BEJ ALL
TRANSDUCER (RVDT) 
78-36-00 T/R INDICATING AND FAULT DETECTION -INDICATIONS 18 BEJ ALL 
78-36-00 T/R INDICATING AND FAULT DETECTION -FUNCTIONAL 20 BEJ ALL
DESCRIPTION -EEC INPUTS 
78-36-00 T/R INDICATING AND FAULT DETECTION -FUNCTIONAL 22 BEJ ALL 
DESCRIPTION -PSEU INPUTS
78-CONTENTS 
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PW4000 SERIES ENGINES
777 AIRCRAFT MAINTENANCE MANUAL
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78-00-00
Page 1 D633W101-BEJ Sep 05/2002
ENGINE EXHAUST SYSTEM -INTRODUCTION
Purpose * sync -synchronizing 
* TLA -thrust lever angle The engine exhaust system controls the direction of the engine * T/R -thrust reverser exhaust gases. * TRA -thrust resolver angle 
* TRAS -thrust reverser actuation system 
The engine exhaust system has these subsystems: 
* 
Turbine exhaust
* 
Thrust reverser (T/R)
* 
T/R actuation
* 
T/R indicating and fault detection.
Abbreviations and Acronyms 
 
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