CHANGE

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

8900.1 CHG 426

 

 

National Policy

Effective Date: 10/23/15

 

Summary of Change. Volume 3, Chapter 67, Section 1, Evaluating the Size Limits for Bonded Repairs.

Explanation of Policy Changes. This change creates new Volume 3, Chapter 67, Section 1, which introduces new content explaining requirements and criteria for substantiating data when asked to approve bonded repairs to critical structure. This change also provides supporting documentation and information as to the criticality of all processes that are required when performing bonded repairs to critical structure. Bonded repairs must meet the appropriate airworthiness requirements for the structure they are designed to cover; this includes material and process qualification, static strength (ultimate load), and fatigue and damage tolerance. Bonded repairs to critical structure must follow the guidance specified in the policy statement.