Aircraft Inspection Procedures
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Questions and Answers

What can be used to assess structural integrity when there is no visible damage after a fire incident?

  • Conductivity tester (correct)
  • Thermographic scanner
  • Ultrasonic tester
  • Visual inspection

How does water affect aircraft structures, particularly regarding corrosion?

  • Water can reinforce metal strength
  • Water initiates structural repairs
  • Water serves as an electrolyte promoting corrosion (correct)
  • Water has no effect on interior materials

Which of the following can indicate possible damage to steel structures?

  • Rockwell C hardness tester (correct)
  • Visual inspection under UV light
  • Conductivity tester
  • Eddy current testing

What factors determine the severity of water damage in aircraft?

<p>Level of flood water and elapsed time since the event (D)</p> Signup and view all the answers

What types of inspections are particularly important for seaplanes due to their operating environment?

<p>Corrosion and loose fasteners inspections (B)</p> Signup and view all the answers

Which structural component should be prioritized for inspection after exposure to fire?

<p>Metallic structural components (D)</p> Signup and view all the answers

For aerial application aircraft, what primarily affects the integrity of the aircraft?

<p>Chemical exposure and flight profile (C)</p> Signup and view all the answers

What is required for parts that have been totally submerged in water?

<p>Complete disassembly, cleaning, drying, and corrosion treatment (B)</p> Signup and view all the answers

What is the most easily detected sign of excessive load during landing?

<p>Wrinkled wing skin (D)</p> Signup and view all the answers

Which of the following areas should be inspected for damage after an aircraft encounters severe turbulence?

<p>Wing leading edge and nacelle skin (C)</p> Signup and view all the answers

What action should be taken if wrinkling occurs on the wing surfaces during inspection?

<p>Remove rivets and examine the rivet shanks for damage (C)</p> Signup and view all the answers

Which inspection is due within 100 hours after a complete inspection if progressive inspection is discontinued?

<p>100-hour inspection (A)</p> Signup and view all the answers

What should be examined to check for structural failure after exposure to severe turbulence?

<p>Spar webs and wing surfaces (D)</p> Signup and view all the answers

What is a reasonable assumption if no adverse effects are observed in the inspected areas?

<p>No serious damage has occurred. (C)</p> Signup and view all the answers

What type of inspection is performed specifically after a flight through severe turbulence?

<p>Special inspection (B)</p> Signup and view all the answers

What signs might indicate structural failure in the fuselage after severe turbulence?

<p>Wrinkles of a diagonal nature (D)</p> Signup and view all the answers

Which condition requires detailed inspections of aircraft components?

<p>Progressive inspection discontinuance (B)</p> Signup and view all the answers

In addition to wing surfaces, which area must be checked for buckling or leakage during inspections?

<p>Bulkheads and nacelle skin (D)</p> Signup and view all the answers

How is damage assessed in the event of a lightning strike on an aircraft?

<p>By inspecting the static discharge wicks and bonding straps (B)</p> Signup and view all the answers

Which components should be evaluated after a bird strike?

<p>Internal structures if external damage is noted (C)</p> Signup and view all the answers

What materials can experience severe damage from a lightning strike?

<p>Fiberglass and composite structures (D)</p> Signup and view all the answers

What should be checked for signs of fire damage after a lightning strike?

<p>Degradation and burning of composite resin (B)</p> Signup and view all the answers

What indicates a possible issue with the landing gear after turbulence?

<p>Loose rivets or cracks around the gear (B)</p> Signup and view all the answers

What is a typical feature to look for when assessing damage to static discharge wicks after lightning exposure?

<p>Erosion or burn marks (D)</p> Signup and view all the answers

What area should be visually inspected for structural damage after a bird strike?

<p>The external areas in the general vicinity of the strike (C)</p> Signup and view all the answers

Flashcards

Fire Damage Inspection of Aircraft

Aircraft fire damage inspections involve checking for visible damage, which necessitates repair or replacement. However, hidden structural integrity issues can also be present. Conductivity and hardness tests can assess potential damage.

Hidden Structural Damage in Aircraft

Even if an aircraft shows no visible damage from fire or heat exposure, the structure may be compromised. This often necessitates testing to assess if it's airworthy.

High Heat and Aircraft Structures

Heat exposure during fire can severely degrade the design strength of some aircraft components, particularly metals that were previously heat-treated during manufacture.

Conductivity Tester Application

A conductivity tester, utilizing eddy currents, can be used to assess the strength and airworthiness of suspect aluminum structures after a visual inspection.

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Water Damage Inspection

Water damage to aircraft can range from minor to severe and depends on the water type (fresh/salt), flood level, and repair timing. Parts submerged require disassembly, cleaning, drying and treatment with corrosion inhibitors.

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Corrosion Prevention for Aircraft

All traces of water and salt must be removed from the aircraft to prevent corrosion which is encouraged by water as an electrolyte.

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Seaplane Corrosion Inspection

Seaplanes require heightened corrosion inspection procedures due to the corrosive marine environment and potential for stress from rough water conditions.

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Corrosion Inspection of Aerial Application Aircraft

Inspecting aerial application aircraft for corrosion is hastened because of the chemicals used in their operations and the profile of their typical flights.

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Fuel Leak Indication

A significant fuel leak suggests overloading that damaged sealant and opened seams.

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Landing Gear Damage Inspection

Inspect landing gear and surrounding areas for loose rivets, cracks, or buckling especially after severe turbulence.

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Fuselage Inspection

Inspect the top and bottom fuselage skin for diagonal wrinkles, which could suggest excessive bending moment, and for overall damage.

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Empennage Inspection

Examine the empennage (tail) for wrinkles, buckling, or sheared attachments and the attachment area of the empennage to the fuselage for any damage.

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Lightning Strike Damage

Lightning strikes are rare, but if one occurs, inspect for damage to the aircraft structure for proper dissipation of the electrical current.

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Lightning Strike Conduction

The electrical current from a lightning strike must be channeled and safely discharged through the aircraft's static discharge systems or null field dischargers.

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Bird Strike Assessment

When a bird strike occurs, inspect the area for external and internal damage to the plane and connected systems—hydraulic, pneumatic.

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Damage Severity

If significant damage is found, the inspection must continue to find all the damaged areas.

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Progressive Inspection Discontinuation Notification

The owner or operator must immediately notify the FAA Flight Standards District Office in writing if a progressive inspection is stopped.

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First Annual Inspection Timing

The first annual inspection is due within 12 calendar months after the last complete progressive inspection.

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100-hour Inspection Timing

The 100-hour inspection is due within 100 hours after the last complete progressive inspection.

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Complete Inspection Criteria

A complete inspection involves a detailed examination of the aircraft and all its components, following progressive inspection procedures.

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Landing Damage Indicators

Wrinkled wing skin and fuel leakage along riveted seams are signs of excessive landing loads.

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Severe Turbulence Inspection Focus

After a severe turbulence event, inspect the upper and lower wing surfaces for permanent buckles/wrinkles and examine rivets.

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Spar Web Inspection

Inspect spar webs of the aircraft, looking for buckling, wrinkles, or sheared attachments, through inspecting doors.

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Nacelle Inspection

Inspect areas around nacelles, nacelle skin, including wing leading edge by checking for damage.

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Study Notes

Special Inspections

  • Aircraft inspections may be needed during service life due to unusual use or potential damage.
  • Conditional inspections are conducted to determine if any issues like damage to the aircraft structure have occurred.
  • Follow detailed procedures in the aircraft maintenance manual for all inspections.
  • Seek advice from experienced technicians if the manual doesn't address a specific issue.

Hard or Overweight Landing Inspection

  • Structural stress during landing depends on gross weight and impact severity.
  • Hard landing inspections assess hard landings below maximum design limits.
  • Overweight landing inspections are needed when landings exceed maximum design weight.
  • Determining if landing severity caused structural damage is difficult.

10-14 Inspection Requirements

  • Adequate housing and equipment for disassembly and inspection.
  • Appropriate technical information for the specific aircraft.

Progressive Inspection Schedule

  • Comprehensive aircraft inspection within 12 calendar months.
  • Consistent with manufacturer recommendations, field service experience, and operations.
  • Ensures aircraft airworthiness and compliance with FAA specifications, type certificates, and other approvals.
  • Owner/operator must notify FAA Flight Standards district office of discontinued inspections.
  • First annual inspection is due within 12 months of the last complete inspection under progressive inspection.
  • 100-hour inspection is due within 100 hours of the last complete inspection.

Wrinkled Wing Skin Inspection

  • Wrinkled wing skin is a sign of excessive landing weight.
  • Other damage indicators are fuel leakage, spar webs, and nacelle skin damage.
  • Comprehensive inspection is required for detected significant damage.

Severe Turbulence Inspection

  • Extreme air loads affect wings during turbulence.
  • Examine surfaces for wrinkles, buckles, or damage, especially upper and lower wing surfaces.
  • Inspect rivets and rivet shanks for damage.

Bird Strike Inspection

  • Inspect external areas for damage.
  • Internal areas should also be inspected if external inspection reveals issues.
  • Inspect hydraulic, pneumatic, and other systems near areas of potential damage.

Fire Damage Inspection

  • Repair or replace visible areas of damage.
  • Inspect structural integrity even without visible damage (if the aircraft encountered intense heat).
  • Structural components can be inspected for degradation.
  • Inspection includes use of conductivity testers.

Water Damage Inspection

  • Aircraft with water damage need to be inspected to determine severity and extent of damage.
  • Evaluate water source (fresh or salt) and time elapsed after exposure to assess and prevent corrosion.
  • Parts that were completely submerged need complete disassembly, cleaning, drying, and corrosion inhibitor treatment.

Seaplane Inspections

  • Inspect bilge areas for fluids, dirt, etc., which can cause corrosion.
  • Inspect for stress from rough water landings.
  • Check for leaks and worn equipment, particularly on leading edges of wings and hardware.
  • Corrosion treatment is necessary periodically for accelerated corrosion in seaplanes.

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Related Documents

Special Inspections PDF

Description

Explore the various aircraft inspection requirements, including special inspections, hard or overweight landing inspections, and progressive inspection schedules. This quiz will test your understanding of the procedures and technical considerations necessary for maintaining aircraft safety during unusual use or potential damage.

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