OLYMPIA, WA, USA
N27442
FAIRCHILD SA227
WHILE DESCENDING FROM 14,000 FEET, THE SECOND ROW RIGHT SIDE CABIN WINDOW SUDDENLY BLEW OUT. AN EMERGENCY DESCENT WAS INITIATED TO THE AIRPORT WHERE THE AIRPLANE LANDED WITHOUT FURTHER INCIDENT. THE WINDOW AND FRAME WERE INSPECTED AND NOTED THAT THE FRAME AND CONNECTING BOLTS APPEARED UNDAMAGED. TWO INDENTATIONS WERE NOTED ON THE FUSELAGE JUST FORWARD OF THE WINDOW AND AFT OF THE ICE PROTECTION PLATE. PASSENGERS REPORTED THAT PRIOR TO THE WINDOW BLOW OUT, LOUD BUMPS OR THUMPS WERE HEARD.
DUE TO AN ICE BUILD-UP DEPARTING THE PROPELLER AND STRIKING THE CABIN WINDOW.
Source: NTSB Aviation Accident Database
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