The sample was not returned for investigation, however the user provided pictures of a bag from lot 149037.The pictures indicated a bag with irregular film cracks over the top portion of the bag and into the port area.No other issues were observed from the bag pictures.A capa had previously been issued to investigate film breaks of this nature.A review of the capa investigation indicated failure modes of this type have been reproduced by introducing an air bubble inside the bag prior to freezing.An air bubble could rapidly expand during the thawing process, resulting in a film tear.The evidence observed from the provided pictures suggests the likely root cause of the cracked film was the existence of an air bubble in the bag prior to freezing.Precautions for air bubbles inside the bag prior to freezing are addressed in the product ifu's.
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