Primary finding
Probable cause
The failure of the window pane for undetermined reasons.
Investigator assessment
Analysis narrative
The airplane was initiating its descent from fl310 when the window adjacent to seat 29f blew out. One passenger received minor ear injuries and one passenger's arm was sucked out of the window. He received minor cuts and scrapes. None of the outer window pane parts were recovered for examination to determine failures.
Source record
Factual narrative
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