What this system is
ATA 78 covers engine exhaust systems and, where installed, thrust reversers.
AIRCRAFT SYSTEM LEARNING
ATA 78 — Exhaust
ATA 78 covers engine exhaust systems and, where installed, thrust reversers.
LEARNStart with system fundamentalsUse guided learning paths and beginner-friendly explanations.
SOLVEReview troubleshooting casesFind reported symptoms, findings, causes and verified outcomes.
ASKAsk a technical questionUse the community when indexed knowledge does not answer the problem.
UNDERSTANDLook up technical termsMove from unfamiliar terminology into connected learning.
ATA 78
Exhaust
Engine exhaust, thrust reverser and associated structure.
67%Developing profileNeeds refresh
START LEARNINGStart with the system purpose and major component groups, then use the linked glossary, resources and videos before moving into aircraft-specific detail.
TROUBLESHOOT THIS SYSTEMDefine the reported symptom, confirm aircraft and configuration applicability, then follow current approved fault-isolation and maintenance data.
Why it exists
Direct hot exhaust safely and provide reverse-thrust capability within approved operating logic when fitted.
What belongs here
- Exhaust ducts and nozzles
- Tailpipe or mixer structures
- Thrust-reverser translating sleeves or blocker doors
- Actuators and synchronization
- Locks and position sensors
- Control valves or electrical drive
- Thermal protection
What users may see
Reverser status, deploy or unlock indications, position disagreement and system fault messages may be displayed.
What technicians commonly evaluate
Hot-section damage, exhaust leaks, thermal distress, actuator and synchronization condition, lock integrity, sensor adjustment, hydraulic or electrical isolation and inadvertent-deployment protection are central concerns.
AIRCRAFT APPLICABILITY
General ATA knowledge
General ATA knowledge is separated from aircraft-family and exact-variant information.
Choose an aircraft family to narrow resources, cases, questions and indexed applicability.
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Clear content filters4 useful next steps
Content is filtered by the selected ATA chapter and, where indexed, the aircraft and exact variant.
Training videos
Browse all →MIXED VIDEO26. Boeing 737NG - Engine Thrust Reverser System
This Computer-Based Training is generally used for training pilot Type Rated Boeing 737 Next Generation (NG). This is old version of Computer Based T…
CBT Corner · 10:51MIXED VIDEO700 TR lockoutMichael Whittington · 4:44MIXED VIDEOTR Sync Locks fully stowedMichael Whittington · 0:57MIXED VIDEOClassic TR MEL ProceduresMichael Whittington · 5:15SOURCE & REVIEW BOUNDARY
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