BEFORE BEGINNING SAMPLE REMOVAL
Thoroughly examine the failed components, surrounding area, and all mating
components to document the failure characteristics and other notable conditions.
Document using digital photography, if possible. Photograph from several views
and angles for subsequent verification of details that may not be recorded in visual
Record any operating condition data from the failure that may be available
from systems monitoring equipment.
Interview operators and other witnesses for descriptions of the failure
events and circumstances.