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No Fault Found (NFF) Working Group

Last Update: July 29, 2016

Staff Activity: Sam Buckwalter, ARINC IA
APIM: No Fault Found Reduction Guidelines (pdf, 25K)

The purpose of this project is to provide a standardized approach to reducing NFFs. The project involves revisiting ARINC 672: Guidance for the Reduction of No Fault Found.

As a minimum, the project will focus on:

  • Identify the root causes of NFF
  • Provide uniform guidance for corrective action
  • Define implementation strategy

NFF Users Forum

  • If you have already provided your information and have been given your user name and password, click here.
  • If you have not provided your information and request for access, please send an email to containing your first name, last name, company name, telephone number, and email address. This information is required for access.

Current Drafts:

Meeting Announcement:

Last Meeting Report:

Staff Contact

Sam Buckwalter