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Pilot Exterior Preflight

Pilot Exterior Preflight. LT “Rick James” Holt Preflight. Standard stuff…. Check for leaks, open panels and general condition as you approach the plane. HF 1. SRS. Upper Tacan. Tank 5 Drain Mast. Dump Chute. Vortex Generator. ASCL 2. ASCL 1. Left Wing. Beaver Tail.

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Pilot Exterior Preflight

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  1. Pilot Exterior Preflight LT “Rick James” Holt Preflight

  2. Standard stuff… Check for leaks, open panels and general condition as you approach the plane.

  3. HF 1 SRS Upper Tacan Tank 5 Drain Mast Dump Chute Vortex Generator ASCL 2 ASCL 1

  4. Left Wing Beaver Tail

  5. Beaver Tail – Venting system designed to create a cooling boundary between engine nacelle and fuel tank

  6. Left Wing Fuel Dump Chute Flap Position (Degrees)

  7. Left Wing Vortex Generator

  8. FLAP SKID PAD Rubbing allowed FLAP TRACK

  9. 7 Static Wicks “any one off edges, or any two- down”

  10. Aileron Trim Cables Boost Pump Press Switch APU Filter Boost Pump APU Fuel Inlet Line #2 Aileron Push-Pull rod APU Fuel Drain Valve APU Filter Drain + man shut-off

  11. Wing Deice Hot Air discharge louvers Scored Surface to prevent cracking Blade Angle Reference mark

  12. Centroid Riser Purpose: structural mounting of wing Jack Point Engine Breather Purpose: escaping air/pressurize oil tank

  13. Landing Gear Emergency Extension Cable Flap Jackscrew Fuel Dump Chute Fuel Dump Valve (MDC) Aileron Push-Pull Rod Primary and Secondary Popet Lines Transfer Pump

  14. Flap Brake actuation window (Red dot will appear in the window if brake set) Flap Brake (MDC) Flap Torque Tube Landing Light (MEAC)

  15. Left Wing Flap Carriage Access Panels Check the roll pins for cracks

  16. LeftWing Flap Brake Actuation Indicator Flap Actuator (Jack Screw)

  17. Left Wing Flap Brake Check indicator

  18. Left Wing Flap Torque Tube Dump Valve Aileron Push Pull Rod Check for scrapes where there is no roller Primary / Secondary Bleed Metering Lines

  19. Left Wing Flap Torque Tube Tank 5 Fuel Vent Aileron Push Pull Rod

  20. Left Wing Flap Asymmetry Chain Aileron Trim Cables

  21. Left Wing Aileron Trim Cables MLG Manual Uplock Release Cable Wing Plenum Anti-Ice Exhaust

  22. Left Wing APU Fuel Filter APU Fuel Filter Drain Valve APU Manual Fuel Shutoff Valve

  23. Left Wing Hydraulic Fluid Heat Exchanger Lines Landing Gear / Brake Hydraulic Lines

  24. Vents are covered with flame arrestors Outboard Fuel Tank Vent Inboard Fuel Tank Vent Two #5 vent lines are interconnected and plumbed into this vent

  25. Left Wing Static Discharge Wicks Fuel Tank Vents

  26. Left Wing Fuel Tank Vents

  27. Left Wing Landing Light

  28. Left Wing External Stores Racks (Wing Pylons)

  29. Left Wing NACA Vent intake for cooling air

  30. Nacelles EDC Dump Exhaust Door (Engines 2 & 3) check for hinge (1 &4 have no hinge) Engine Cowl Panel Latches Oil Cooler Air Scoop

  31. Nacelles Oil Cooler / “Piccolo Tubes” Air Exit Duct look for birds nest “Gang” Drain Oil Cooler Flap

  32. Nacelles Oil Cooler Inlet Generator Cooling Air Duct / Shutoff Valve …also used to cool eng mounts

  33. Nacelles Island Forward Spinner Check for proper blade angle (should see three holes) Cuff Aft Spinner

  34. Main Mount Wheel Well • General Items: • Chocks • Grounding strap • Tires

  35. Bungee Springs – help with freefall extension in flight Counter Measures (If Installed) should see 1 pin per set of buckets Brake Fuse 30 cubic inches of fluid actuates shut off Mechanical Down Lock Linkage Lower drag strut Look For: Uneven Tread Wear Max Tread Wear: When tread pattern is worn to the bottom of the tread groove Flat Spotting: due to prolonged standing Sidewall conditions: Look for cracks, cuts, abrasions, bulges, gouges, cord plies Enough tread for bounce flight? Fire Shield Emergency Brake Line Normal Brake Lines

  36. Main Mount Wheel Well Shuttle Valve Brake Pucks (1,2,3 rule) 1. No ONE flush 2. No 2 side by side not fluxing 3. 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 deck Automatic Safety Downlock Linkage (Mechanical Downlock)

  39. Main Mount Wheel Well MLG Door Actuating Cylinder Look for Hyd leaks

  40. Main Mount Wheel Well Upper Drag Strut Bungee Spring Lower Drag Strut

  41. Main Mount Wheel Well Upper Jury Strut Gear Pin Lower Jury Strut

  42. Check orange bolts for leaks 7. What does the orange paint mean? TD AMP 6. What does this do? Check for excessive fluid/leaks Check for leaks on the door actuator Check spring, this can break Check bolts

  43. Bonding Braids(used for grounding) (4) Manual Landing Gear release cable Upper Drag Struts Uplock

  44. Mechanical Gear Release Cable Swivel Joint Gear Actuator(Behind): Look for any hyd. fluid, downing discrepancy Down Lock Switch Jury Strut Bungee Spring Lower Drag Strut

  45. Oleo 4-5” min Shuttle Valves Brake Pucks: 8. Bad if ?

  46. Main Mount Wheel Well HRD Pressure Gauges

  47. Main MountWheel Well “Pie Pans” E handle cables (normally covered)

  48. Fire Sensing Element Pie Pan(access point to hot section) E-Handle + power lever cables inside Bleed air Valve (SEDC) Bleed Air plumbing Hydrostatic Tester case 5. Which nacelle is this? EDC Plumbing

  49. HRD Bottles (500psi Min) HRD Discharge line

  50. Main Mount Wheel Well Pie Pans E handle cables (covered)

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