Do you have to clean the aircraft and engine prior to a 100 hour inspection?

(a) Each person performing an annual or 100-hour inspection shall, before that inspection, remove or open all necessary inspection plates, access doors, fairing, and cowling. He shall thoroughly clean the aircraft and aircraft engine.

In what section states that the airframe and engine required to be cleaned before performing an annual or 100 hours inspection?

14 CFR part 43, part 43.15, requires that each person performing a 100-hour or annual inspection shall use a checklist while performing the inspection.

Why should an engine be cleaned before inspection?

Prior to inspecting the engine parts to decide what needs to be done to them, they have to be cleaned in the first place. If the parts are not clean, then it becomes hard to measure and inspect them for defects.

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What are the two things that needs to be checked when performing an on aircraft inspection?

Check for a current weight and balance report, and the current equipment list, current status of airworthiness directives for airframe, engine, propeller, and appliances. Also, check the limitations section of the manufacturer’s manual to verify the status of any life-limited components.

What are the required maintenance inspections for aircraft?

Technical Information

  • Annual Inspection (FAR 91.409) Most general aviation aircraft require an annual inspection. …
  • 100-Hour Inspection (FAR 91.409) …
  • Progressive Inspections (FAR 91.409) …
  • Items Checked During Inspections (FAR 43) …
  • Altimeter (FAR 91.411) …
  • Transponders (FAR 91.413) …
  • Emergency Locater Transmitter (FAR 91.207)

What requires inspection before an aircraft engine is installed?

Is the use of a checklist required when performing an annual or 100-hour inspection of an aircraft engine? … The inside of the cylinders must be inspected with a borescope. The oil must be changed and the filters examined, and the engine given a careful run-up and operational check.

What is aircraft maintenance?

Aircraft maintenance is a highly-regulated field requiring a robust regimen of scheduled or preventive servicing, inspection, testing, repair, and overhaul or modification activities by certified Maintenance, Repair and Overhaul (MRO) technicians on every aircraft in service.

Why is cleanliness important in engine work?

If you clean your car engine regularly, you can identify problems that can affect your vehicle’s performance. Plus, you can prevent dirt, gunk, and other debris from damaging your engine’s appearance.

Why is it needed to first clean the external parts of the engine before overhaul?

After visually inspecting engine recesses for deposits of metal particles, it is important to clean all engine parts thoroughly to facilitate further inspection. Two processes for cleaning engine parts are: Degreasing to remove dirt and sludge (soft carbon).

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How is engine inspection done?

Basic inspection for an engine tune-up

When you book a tune-up for your vehicle, the technician will inspect the following components: Spark plugs and wires to check for wear and proper performance. All gaskets and seals of the engine, looking for dirt, grime or leaking fluids. Ignition timing.

How often does an airplane need maintenance?

Commercial airplanes require frequent maintenance to offer a safe flying experience. They typically undergo a basic maintenance inspection once every two days, followed by a more thorough heavy maintenance inspection once every few years.

How long must maintenance records for an aircraft be retained?


Section 91.417(b) requires records of maintenance, alterations, and required or approved inspections to be retained until the work is repeated, superseded by other work, or for one year. It also requires the records, specified in § 91.417(a)(2), to be retained and transferred with the aircraft at the time of sale.

What are C and D checks on aircraft?

C and D checks typically fall under “heavy maintenance,” and are much more extensive than the B check. The C check requires an aviation maintenance technician to perform a deep inspection of a majority of the aircraft’s parts. Also, the C maintenance check can often take the aircraft out of service for 1–2 weeks.

What aircraft are required to have a 100 hour inspection?

What is a 100 Hour Inspection? A 100 hour inspection is a type of maintenance assessment for commercial aircrafts under 12,500 pounds. This is performed after every 100 hours of flight time by an FAA (Federal Aviation Administration) certified A&P (Airframe and/or Powerplant) mechanic or by the aircraft manufacturer.

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What is the difference between a 100 hour inspection and an annual inspection?

The annual inspection is not much different than a 100-hour inspection. The only differences between them are when the inspection is accomplished (every 100 hours versus once a year) and who can perform the inspection. … Aircraft not used for flight training only require an annual inspection, like your car.

What FAR requires the 100 hour inspection of an aircraft engine?

100-hour inspections are required only on aircraft that carry persons for hire or are used to give flight instruction for hire.