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.