NTSB Identification: SEA87IA003.
The docket is stored on NTSB microfiche number 31767.
Scheduled 14 CFR UNITED AIR LINES
Incident occurred Sunday, October 05, 1986 in SEATTLE, WA
Aircraft: MCDONNELL DOUGLAS DC-10-10, registration: N1843U
NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.
DURING ATTEMPT TO APPLY GROUND POWER TO ACFT, INTERNAL FEEDER CABLES SHORTED AND MELTED DOWN. INVESTIGATION REVEALED POOR WORKMANSHIP BY CONTRACTED MAINTENANCE PERSONNEL IN MODIFICATION INSTALLATION.
The National Transportation Safety Board determines the probable cause(s) of this incident to be:MAINTENANCE,MODIFICATION..POOR..OTHER MAINTENANCE PERSONNEL
The National Transportation Safety Board determines the probable cause(s) of this incident to be:ELECTRICAL SYSTEM,ELECTRIC WIRING..SHORTED
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