NTSB Identification: SEA88IA051.
The docket is stored on NTSB microfiche number 36151.
Nonscheduled 14 CFR
Incident occurred Thursday, February 18, 1988 in LAS VEGAS, NV
Probable Cause Approval Date: 01/25/1990
Aircraft: PIPER PA-31T, registration: N2645Z
Injuries: 1 Minor,5 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.

WHILE CRUISING AT FL270, RIGHT SIDE COCKPIT WINDOW FAILED, RESULTING IN DECOMPRESSION. ACFT DIVERTED TO NORMAL LANDING. EXAMINATION REVEALED LOWER BOLTS OVERTORQUED AND PLEXIGLAS COMPROMISED BY EXCESS PRIMER, INITIATING CRACKING. EVIDENCE INDICATED WINDOW NOT ORIGINAL INSTALLATION, BUT REVIEW OF MAINT RECORDS SHOWED NO RECORD OF WINDOW REPLACEMENT.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

WINDOW,FLIGHT COMPARTMENT WINDOW/WINDSHIELD..FAILURE,TOTAL

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

MAINTENANCE,INSTALLATION..IMPROPER..UNKNOWN

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