29 NACA Vent intake for cooling air Left WingNACA Vent intake for cooling air
30 Engine Cowl Panel Latches NacellesEDC Dump Exhaust Door (Engines 2 & 3) check for hinge (1 &4 have no hinge)Engine Cowl Panel LatchesOil Cooler Air Scoop
31 Nacelles Oil Cooler / “Piccolo Tubes” Air Exit Duct look for birds nest“Gang” DrainOil Cooler Flap
32 Nacelles Oil Cooler Inlet Generator Cooling Air Duct / Shutoff Valve …also used to cool eng mounts
33 Check for proper blade angle (should see three holes) NacellesIslandForward SpinnerCheck for proper blade angle (should see three holes)CuffAft Spinner
34 Main Mount Wheel WellGeneral Items:ChocksGrounding strapTires
35 Bungee Springs – help with freefall extension in flight Counter Measures (If Installed) should see 1 pin per set of bucketsBrake Fuse cubic inches of fluid actuates shut offMechanical Down Lock LinkageLower drag strutLook For:Uneven Tread Wear Max Tread Wear: When tread pattern is worn to the bottom of the tread grooveFlat Spotting: due to prolonged standingSidewall conditions: Look for cracks, cuts, abrasions, bulges, gouges, cord pliesEnough tread for bounce flight?Fire ShieldEmergency Brake LineNormal Brake Lines
36 Main Mount Wheel Well Shuttle Valve Brake Pucks (1,2,3 rule) 1. No ONE flush2. No 2 side by side not fluxing3. No THREE total not fluxing with brake actuation.
37 Main Mount Wheel Well Emergency (Air) Hydraulic Brake Line Normal Hydraulic Brake Lines
38 Main Mount Wheel Well Scissor Switch (Weight On Wheels) Brake Fuses check the arrow going down toward the deckAutomatic Safety Downlock Linkage (Mechanical Downlock)
39 MLG Door Actuating Cylinder Main Mount Wheel WellMLG Door Actuating CylinderLook for Hyd leaks
40 Main Mount Wheel WellUpper Drag StrutBungee SpringLower Drag Strut
41 Main Mount Wheel WellUpper Jury StrutGear PinLower Jury Strut
42 Check orange bolts for leaks 7. What does the orange paint mean? TD AMP6. What does this do?Check for excessive fluid/leaksCheck for leaks on the door actuatorCheck spring, this can breakCheck bolts
47 E handle cables (normally covered) Main Mount Wheel Well“Pie Pans”E handle cables (normally covered)
48 Pie Pan(access point to hot section) Fire Sensing ElementPie Pan(access point to hot section)E-Handle + power lever cables insideBleed air Valve (SEDC)Bleed Air plumbingHydrostatic Tester case5. Which nacelle is this?EDC Plumbing
52 Sys Cap 15.75 gallon Usable 8.65 foaming space 5.7 unusable 1.4 Oil Tank Access PanelSys Cap gallon Usable foaming space 5.7 unusable 1.4NACA VentEDC Dump Door(Sealed Shut on 1&4)Make sure it is secure, a common access point for maintainersLab Seal- during engine shutdown, ports engine oilGang Drain, outboard engines don’t have engine breather, use gang drainHeat Exchanger intake vent
53 5th Stage Discharge Port 3. Purpose? “A” panel, make sure it is secure, a common access point for maintainersLab Seal Vent (eng oil)Oil Cooler IntakeOil Cooler Exhaust/DoorGang Drain
54 View from under the prop aft spinner View from under the prop aft spinner. It is normal to have the “X” safety wire, also ok if it is around the perimeter. Drain Plug for the prop control.
55 Blade(Base is scored to prevent cracking) #4 PropBlade(Base is scored to prevent cracking)IslandForward Spinner (Continuously Heated during prop deice)Spinner SkirtCuff
56 Oil CoolerGenerator Cooling Door (Mechanical Function of the E-Handle) 4. Question, is there one on #1 engine, and if so, what is the function?
57 Bomb Bay Safety Switch / Pin NoseBomb Bay Safety Switch / Pin
58 Air Multiplier Package NoseAir Multiplier PackageAMP Oil Level Window