Beechjet 400A Pre-Inspection Checklist

Beechjet Pre-Inspection Checklist

When choosing an MRO for your Beechjet 400A inspections, there are a handful of things you can do to set yourself up for success. By taking the right steps, you’ll find comfort in the MRO you choose and be prepared to have the right conversations about your aircraft. Here is a Beechjet 400A pre-inspection checklist to guide your conversations.

 Introduction to a New MRO

If you have the opportunity to tour the maintenance provider’s operations and hangar areas, take the time to talk with the airframe supervisor, avionics manager, engine supervisor if they have one, as well as the inspection department and the chief inspector. Verify they are using the most up-to-date manuals and have all the tooling and equipment needed to complete your required inspections.

Determine Where Your Aircraft Parts Come From

Talk with the MRO parts manager and inquire where they procure their parts. A few questions you can ask the parts manager are:

  • Are they using reputable suppliers?
  • Do they have inventory for your basic needs? 
  • Do they purchase only from the OEM? 
  • Do they source parts from known vendors? 

Inquire about warranty times and new versus serviceable components, as well.

Understand Beechjet 400A Inspection Intervals

Next, it’s time to start talking about upcoming maintenance scheduling and due items. Commonly discussed maintenance actions are in Chapter 4 and Chapter 5 of the aircraft maintenance manuals. The Beechjet has a separate Airframe Limitations Manual which covers Chapter 4 maintenance manual requirements. The Airframe Limitations Manual highlights due items based on flight hours, cycles of operation (landings), and calendar times. 

The Model 400/400A Maintenance Manual includes all Chapter 5 items, which is also based on flight hours, cycles of operation, and calendar times. It however is broken down into specific intervals. Scheduled Maintenance Checks (i.e. hourly/calendar/cycles) Special Inspections and Unscheduled Checks are all covered. The Beechjet is broken down into Scheduled A, B, C, D Inspections. 

  • The A Inspection interval is at the first 400 flight hours and every 200 hours thereafter.
  • The B Inspection interval is at the first 600 flight hours and every 400 hours thereafter.
  • The C Inspection interval is at the first 1400 flight hours and every 1200 hours thereafter.
  • The D Inspection interval is at the first 5000 flight hours and every 2400 hours thereafter.

The Maintenance Manual provides for up to 20 flight hours for planning purposes, however, each inspection would need to be reviewed and the owner/operator is responsible for maintaining their flight hours and scheduling their aircraft into maintenance at the appropriate intervals. When discussing upcoming maintenance actions on your aircraft your maintenance provider would be able to discuss your options if scheduling issues should arise.

Combining Inspections to Save Money

At Winner Aviation, when we talk with our customers, we review the flight patterns and profiles our customers fly. By discussing and gaining a history of the customer’s flying schedule, we look at combining inspections and maintenance actions to reduce maintenance dollar amounts and aircraft downtime. Redundant opening and closing of aircraft panels and operating checks can be eliminated if proper planning is performed before any maintenance actions are started.

How to Schedule Special Inspection Items

The Beechjet Manual also specifies Scheduled Special Inspections items that may or may not coincide with the regular A, B, C, and D inspection intervals. Winner Aviation has the experience and Inspection personnel to review your records and keep you up to date and flying legally.

Schedule Ahead for Outside Services

Scheduling for any outside services that may be needed (Non-Destructive Testing Inspections, Overhaul Time Limits for components) needs to be made in advance of aircraft input to the maintenance facility. This planning greatly reduces downtime and assures a continuous progression to a completion date and return to service date for your aircraft.

Pre-Inspection Records Review

A thorough records review and logbook research need to be completed prior to inputting your aircraft. Verification of aircraft times and landing cycles is the owner/operator’s responsibility as is any maintenance scheduling for upcoming required maintenance actions. At Winner Aviation, we have the expertise and experience to help you with this process. The Aircraft Maintenance Manual and required documents to keep you safe and within FAA guidelines is our top priority.

Next Steps for Your Beechjet 400A Inspection


Continuing with the required inspections and any incoming writeups will ensure a smooth and hassle-free inspection of your aircraft with a minimum of downtime and costly dollars saved. Good and frequent communication with all parties involved will aid in a quick and seamless Return to Service of your aircraft. That is what everyone is striving for. Because an aircraft is made to fly, not remain grounded.

If you own a Beechjet 400A model, make sure you are taking the right steps to find an MRO you can trust and that you’re having the right conversations to be the most educated about your aircraft. For a further conversation or to schedule your Beechjet inspection, contact us today.          

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