First Article Inspection (FAI): What to Check

A first article connects a defined sample to the drawing and accompanying material or process information. Define drawing revision, feature list, sample id, then connect those inputs to the drawing-and-model input map. That gives the engineering and purchasing teams a common basis for the next step. The practical tool in this guide is a first-article report structure connected to the required project handover.

For an OEM team, custom part first article inspection becomes useful when First-article inspection of, Relate first-article results, Connect the model and Select a specified are tied to one component or purchase decision. This guide follows the seven stages in the source framework and keeps manufacturing, inspection and delivery assumptions visible as the project moves forward.

The custom part first article inspection examples are planning methods, not universal acceptance values. Apply them to the released bicycle platform, mating parts and approved validation plan, and keep any open field identified until the responsible team closes it.

First-article inspection of custom components: the decision to resolve

Start with the current part, assembly or order state rather than a blank specification. For custom part first article inspection, this means the team should first-article inspection of custom components: the decision to resolve with First-article inspection of visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place First-article inspection of, Relate first-article results, Connect the model and Select a specified in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a first-article inspection of custom components: the decision to resolve record that states the current revision, the proposed change and the point that still needs approval.

The first record should show what is known, what is assumed and which decision the project team needs next. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 1 working record for the affected configuration rather than extending the earlier conclusion without review.

Relate first-article results to the released drawing

Translate the requirement into feature-level inputs that design, purchasing and manufacturing can all read. For custom part first article inspection, this means the team should relate first-article results to the released drawing with Relate first-article results visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place Connect the model, Select a specified, Specify heat treatment and Select finishing by in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a relate first-article results to the released drawing record that states the current revision, the proposed change and the point that still needs approval.

This is where an attractive concept becomes a controlled drawing, process question or supply definition. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 2 working record for the affected configuration rather than extending the earlier conclusion without review.

Connect the model to a readable engineering drawing

Connect the selected option to the machining route and the interfaces that the finished part must serve. For custom part first article inspection, this means the team should connect the model to a readable engineering drawing with Connect the model visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place Specify heat treatment, Select finishing by, Drawing revision and Assembly interface in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a connect the model to a readable engineering drawing record that states the current revision, the proposed change and the point that still needs approval.

A sample should answer a named question instead of acting as a general promise about future production. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 3 working record for the affected configuration rather than extending the earlier conclusion without review.

Select a specified material and condition

Define how the result will be checked and which revision or lot the record belongs to. For custom part first article inspection, this means the team should select a specified material and condition with Select a specified visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place Drawing revision, Assembly interface, Material state and Finish state in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a select a specified material and condition record that states the current revision, the proposed change and the point that still needs approval.

The measurement or review method must evaluate the relationship described by the drawing and assembly. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 4 working record for the affected configuration rather than extending the earlier conclusion without review.

Specify heat treatment as part of the material route

Carry the engineering decision into batch, assembly, service or delivery planning. For custom part first article inspection, this means the team should specify heat treatment as part of the material route with Specify heat treatment visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place Material state, Finish state, Order quantity and Inspection method in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a specify heat treatment as part of the material route record that states the current revision, the proposed change and the point that still needs approval.

This prevents a technically sound decision from being lost when quantities, operators or suppliers change. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 5 working record for the affected configuration rather than extending the earlier conclusion without review.

Select finishing by substrate and working surface

Close the topic with a release-ready project package and one responsible owner for each open point. For custom part first article inspection, this means the team should select finishing by substrate and working surface with Select finishing by visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place Order quantity, Inspection method, Delivery scope and First-article inspection of in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a select finishing by substrate and working surface record that states the current revision, the proposed change and the point that still needs approval.

The supplier can then quote or plan work against a visible scope while the OEM retains approval of the final application. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 6 working record for the affected configuration rather than extending the earlier conclusion without review.

Put the discussion into a project request

Turn the completed review into a concise project request that names the supplied information and the next decision. For custom part first article inspection, this means the team should put the discussion into a project request with First-article inspection of visible in the discussion. The purpose is to connect the article topic to an actual bicycle component, hardware family or purchase order rather than treat the heading as a general capability claim.

Place Delivery scope, First-article inspection of, Relate first-article results and Connect the model in the same working record. A change to one field can alter machining access, final fit, inspection effort, batch planning or the delivered condition. The immediate output is a put the discussion into a project request record that states the current revision, the proposed change and the point that still needs approval.

This final handover keeps the article useful without turning each earlier section into a sales claim. In a practical custom part first article inspection review, engineering should explain the functional reason, purchasing should confirm quantity and supplied scope, and manufacturing should identify the route or information needed to proceed. The team can then compare alternatives without mixing an unapproved proposal into the released requirement.

For a prototype or first order, write one or two questions that the part, report or delivery can answer. Keep the result with the relevant drawing, material and finish state. If geometry, quantity, processing or assembly changes later, reopen the stage 7 working record for the affected configuration rather than extending the earlier conclusion without review.

Questions buyers ask

What is the practical starting point for first-article inspection of custom components?

A first article connects a defined sample to the drawing and accompanying material or process information. Define drawing revision, feature list, sample id, then connect those inputs to the drawing-and-model input map. That gives the engineering and purchasing teams a common basis for the next step.

What should a first-article report tell the customer?

It should identify the drawing revision, inspected characteristics, measurement results, methods where required and any open deviations. Connect material and finish records to the submitted samples. The customer should be able to see what was checked and what remains unresolved. First-article conformity and approval of the complete product are separate decisions.

Is a 3D model sufficient to place a production order?

A model is a useful starting point, but it may not state tolerances, material condition, surface requirements or inspection notes. Connect it to the controlling drawing or an agreed specification. Where a model and drawing disagree, record which governs and resolve the difference before the affected feature is released for production.

Is naming titanium, aluminum or stainless steel enough?

No. Identify the material specification, grade, condition and relevant product form for the part. Then connect the selection to the joint role, finish, environment and required acceptance information. Similar names across standards should not be treated as automatic substitutes. A material-family label is a starting category, not the completed purchase specification.

Can a hardness target define the whole heat-treatment requirement?

No. Identify the material, treatment route, relevant property requirements and the finished condition in which the part is inspected. Consider distortion and any later operations. A hardness range from one example is not a universal specification for every alloy or loaded component; it needs to belong to the released part definition.