NTSB Identification: SEA83IA116.
The docket is stored on NTSB microfiche number 20815.
Scheduled 14 CFR operation of ALASKA AIRLINES
Incident occurred Friday, June 03, 1983 in PORTLAND, OR
Aircraft: BOEING 727-200, registration: N296AS
Injuries: 133 Uninjured.
NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.
A BROKEN HYDRAULIC LINE NEAR THE LEFT MAIN LANDING GEAR ALLOWED HYDRAULIC FLUID TO LEAK ON TO THE APU EXHAUST. THE RESULTANT SMOKE THEN WAS PICKED UP BY THE LEFT AIRPACK AND WAS BLOWN INTO THE CABIN. THE CREW THEN ORDERED AN EVACUATIONOF THE PASSENGERS.
The National Transportation Safety Board determines the probable cause(s) of this incident to be:HYDRAULIC SYSTEM,LINE..FAILURE,TOTAL
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