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NADCAP Aerospace Sealant Application Audit Checklist

A comprehensive audit checklist for sealant application operations in aerospace manufacturing, ensuring compliance with NADCAP standards and optimizing quality control in the production of leak-proof and corrosion-resistant aerospace assemblies.

NADCAP Aerospace Sealant Application Audit Checklist
by: audit-now
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About This Checklist

The NADCAP Aerospace Sealant Application Audit Checklist is an indispensable tool for aerospace and defense manufacturers involved in critical sealing operations. This comprehensive checklist addresses key aspects of sealant application, including material handling, surface preparation, mixing procedures, application techniques, and curing processes. By implementing this checklist, organizations can effectively evaluate their sealant application operations, ensure compliance with stringent aerospace standards, and maintain the highest level of quality in producing leak-proof and corrosion-resistant assemblies. Regular use of this checklist helps companies streamline their audit preparation, optimize sealant application parameters, and enhance the overall reliability and performance of aerospace sealing systems.

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Industry

Aerospace and Defense

Standard

NADCAP

Workspaces

Aerospace Assembly and Sealing Facility

Occupations

Sealant Application Technician
Aerospace Assembly Engineer
Quality Control Inspector
NADCAP Auditor
Materials and Process Engineer

Sealant Application Quality Control

(0 / 4)

1
Are the leak prevention standards being adhered to?

Select the compliance status.

To ensure that the sealing operations prevent potential leaks.
2
Has the surface been properly prepared before sealant application?

Confirm if surface preparation is completed.

Proper surface preparation is crucial for adhesion.
3
What is the curing temperature of the sealant?

Enter the temperature in degrees Celsius.

To confirm that the curing conditions are met for optimal performance.
Min: 20
Target: 25
Max: 30
4
Is the sealant mixed according to the specified guidelines?

Select the compliance status.

To ensure proper adhesion and performance of the sealant.
5
Are corrosion protection measures in place prior to sealant application?

Select the status of corrosion protection measures.

To prevent corrosion that can compromise the sealant's effectiveness.
6
Have all environmental control procedures been followed during application?

Confirm if environmental control procedures are followed.

Adhering to environmental controls is crucial for sealant performance.
7
Is the ventilation in the sealant application area adequate?

Select the ventilation status.

Proper ventilation is essential for safety and effective curing.
8
What is the current humidity level in the sealant application area?

Enter the humidity level as a percentage.

High humidity can affect the curing and adhesion of the sealant.
Min: 30
Target: 50
Max: 60
9
Is the sealant used within its expiry date?

Select the expiry status of the sealant.

Using expired sealant can compromise the effectiveness of the application.
10
Is the mixing equipment calibrated and functioning correctly?

Confirm if the mixing equipment is calibrated.

Properly calibrated equipment is essential for consistent sealant quality.
11
What is the thickness of the applied sealant?

Enter the thickness in millimeters.

Thickness must meet specified requirements for effective sealing.
Min: 1
Target: 2
Max: 3
12
Is the sealant applied using the specified application method?

Select the application method compliance status.

Using the correct application method ensures proper sealant performance.
13
Have all personnel received the necessary training for sealant application safety?

Select the training compliance status.

Trained personnel are better prepared to handle safety issues during application.
14
What is the number of available emergency response equipment in the area?

Enter the number of emergency equipment available.

Availability of emergency equipment is critical for safety in case of accidents.
Min: 1
Target: 2
Max: 10
15
Are safety protocols being followed during the sealant application process?

Select the compliance status for safety protocols.

Adhering to safety protocols minimizes risk of accidents and injuries.
16
Are all personnel wearing the required personal protective equipment during sealant application?

Confirm if PPE is being used by all personnel.

Proper PPE usage is essential for the safety of personnel.
17
What are the findings from the latest equipment maintenance log review?

Provide a summary of the maintenance log findings.

Reviewing maintenance logs helps ensure that all necessary equipment checks are performed.
18
Is the nozzle of the sealant application equipment in good condition?

Select the condition of the nozzle.

A damaged nozzle can affect the quality and precision of sealant application.
19
How often is the sealant application equipment calibrated?

Enter the calibration frequency in days.

Regular calibration is necessary to ensure equipment accuracy and effectiveness.
Min: 10
Target: 30
Max: 60
20
Is the sealant application equipment properly maintained and in good working condition?

Confirm if the equipment maintenance is up to date.

Maintained equipment ensures consistent sealant application quality.

FAQs

The checklist addresses storage conditions, shelf life monitoring, temperature control, and proper handling of various aerospace sealant types and their components.

It includes items on cleaning methods, surface activation techniques, masking procedures, and verification of surface cleanliness and profile for optimal sealant adhesion.

The checklist covers sealant mixing ratios, degassing procedures, application methods (such as injection, faying surface, and fillet sealing), and tooling techniques for various joint configurations.

It includes sections on curing time and temperature requirements, accelerated curing methods, hardness testing, adhesion verification, and leak testing of sealed assemblies.

The checklist addresses temperature and humidity control in application areas, ventilation requirements, volatile organic compound (VOC) monitoring, and personal protective equipment for sealant handlers.

Benefits

Ensures compliance with NADCAP requirements for sealant application in aerospace manufacturing

Improves consistency and quality of sealing operations on critical aerospace components

Helps prevent leaks, corrosion, and structural failures due to improper sealant application

Enhances process control and documentation in sealant mixing and application procedures

Facilitates continuous improvement in sealing techniques and environmental control measures