maintenance overhaul shops (off-aircraft) embry-riddle aeronautical university chapter 15
TRANSCRIPT
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Maintenance Overhaul Maintenance Overhaul ShopsShops
(off-Aircraft)(off-Aircraft)
Maintenance Overhaul Maintenance Overhaul ShopsShops
(off-Aircraft)(off-Aircraft)
Embry-Riddle Aeronautical University
Chapter 15
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Maintenance Overhaul ShopsMaintenance Overhaul ShopsMaintenance Overhaul ShopsMaintenance Overhaul Shops Introduction Types of Shops
Engine Shops Avionics Shops Mechanical Shops Outsourcing of shop maintenance work
Operation of Overhaul Shops Shop Data Collection Summary
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IntroductionIntroductionIntroductionIntroduction Responsible for the overall management & administration of
maintenance for those components & equipment that are removed from the aircraft for maintenance.
Usually removed and replaced with item from supply Item is removed, documented with discrepancy, and forwarded to appropriate
maintenance shop (in-house or outsourced) After repair is placed back in supply stores Rarely may down aircraft until repaired & returned
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Support Shops Normally associated with Hangar Maintenance
Welding, sheet metal, composites, aircraft interiors, seats etc…
Overhaul Shops Involves specialized equipment of the aircraft Equipment is removed during line or hangar
maintenance Engine shops, Avionics, Mechanical Shops,
outsourcing maintenance work
Types of Shops
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Largest in the sense of space Bench work, administrative, & Engine Build Up (EBU)
EBU (Engine BuildUp) Ability to drop, repair & replace – reduces out of
service time – TIME = $$$ Specific components needs for engine location (right,
left, or center) Requires specialized GSE and tools – engine stand,
hoists, tow tractors etc.. Hush house – engine run-up area
Engine Shops
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AvionicsAvionicsAvionicsAvionics
Includes electrical & electronic systems Wiring, generators, power distribution, flight
control computers May have separate battery shop Communication/Navigation/radar/instruments Glass cockpit systems – HUD (Heads Up
Display), LCD panels, CRT instruments Fiber optics Computer systems
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Mechanical ShopsMechanical ShopsMechanical ShopsMechanical Shops Includes:
Hydraulics systems & components Pneumatics systems & components Oxygen systems Flight control systems (airframes) Tire, Wheel, & Brake shop
Repair, assembly & disassembly of aircraft wheels
Repair, servicing, & re-treading of tires
Adjustment & replacement of aircraft brakes
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Outsourcing of Shop Maintenance WorkOutsourcing of Shop Maintenance WorkOutsourcing of Shop Maintenance WorkOutsourcing of Shop Maintenance Work
Some or all of the shop maintenance can be outsourced
Director must coordinate these activities into the maintenance plan
Quality Assurance will identify & ensure the standards these contractors must abide
Maintenance agreement with manufacturer may require the outsourcing
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Operation of Overhaul ShopsOperation of Overhaul ShopsOperation of Overhaul ShopsOperation of Overhaul Shops
The pace may be slower than line or hangar maintenance but the MTTR – (Mean Time to Repair) is very important
Spare parts are purchased based on fleet failure rate & time to repair
Remove item from aircraft Turn item into materiel for replacement Route unit to the repair facility (in-house or outsourced) Return serviceable unit to stores for reissue
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Shop Data CollectionShop Data CollectionShop Data CollectionShop Data Collection Many data collection tasks occur within
maintenance Overhaul shops are important source
Line & hangar reports focus on systems & components
Shop data focuses on internal components of the equipment & subsystems
Identifies the servicing, repair, & overhaul actions taken – as well as the parts, supplies & time
Components are tracked for reliability – failure rates (unnecessary high) – may require corrective action from engineers, manufacturers, airlines etc..
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Maintenance Overhaul ShopsMaintenance Overhaul ShopsMaintenance Overhaul ShopsMaintenance Overhaul Shops Introduction Types of Shops
Engine Shops Avionics Shops Mechanical Shops Outsourcing of shop maintenance work
Operation of Overhaul Shops Shop Data Collection Summary
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Questions?Questions?Questions?Questions?