Follow the steps to successfully complete the form online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Record the date when the suspected part was discovered in the designated field.
3. Enter the name or a brief description of the suspected unapproved part, such as ‘nut’ or ‘bolt’.
4. Provide the part number or unique identification number associated with the part.
5. If applicable, input the serial number of the part in the appropriate field.
6. Specify the quantity of the suspected parts you are reporting.
7. Identify the assembly name where the part was installed and provide the assembly number.
8. Indicate the make and model of the aircraft that the part was (or could be) installed on.
9. Provide the full name and address of the company or person who last supplied or repaired the suspect part, avoiding PO Box addresses unless necessary.
10. Detail a description of why you believe the part is not approved, including any specific characteristics like discoloration or unusual markings.
11. List the name and address of the location where the part was discovered.
12. Choose the applicable option to identify the entity or individual who discovered the part.
13. Record the date you are completing the report.
14. Provide your name and contact information, ensuring that it is accurate for any necessary follow-up by the FAA.
15. If you wish to maintain confidentiality, check the designated box.
16. Indicate whether you would like to receive acknowledgment of your submission by checking the respective box.
17. If additional information or documents are attached, check the box to note this.
18. Review the completed form for accuracy and clarity before saving.
19. Finally, save your changes, download, print, or share the completed form as needed.

Start completing your FAA Form 8120-11 online today to ensure aviation safety.