Accident Gulfstream American AA-1C N9514U,
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ASN Wikibase Occurrence # 133183
 
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Date:Sunday 22 May 1994
Time:17:59 LT
Type:Silhouette image of generic AA1 model; specific model in this crash may look slightly different    
Gulfstream American AA-1C
Owner/operator:James S. Thompson
Registration: N9514U
MSN: AA1C0002
Total airframe hrs:2142 hours
Engine model:Lycoming O-320-E3D
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Torrance, CA -   United States of America
Phase: Taxi
Nature:Private
Departure airport:King City, CA (KKIC)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
AFTER COMPLETION OF A CROSS-COUNTRY FLIGHT, THE PILOT TAXIED OFF THE ACTIVE RUNWAY AND THE ENGINE QUIT. THE PILOT ATTEMPTED TO RESTART THE AIRPLANE AND NOTICED FLAMES AROUND THE ENGINE COMPARTMENT. AN EXAMINATION OF THE ENGINE REVEALED THAT THE CARBURETOR FUEL INLET FITTING WAS BROKEN. THE CARBURETOR FUEL LINE WAS CONNECTED TO A 4-INCH-LONG FUEL FLOW TRANSDUCER THAT WAS THEN CONNECTED TO THE CARBURETOR FUEL INLET FITTING. A METALLURGIST REPORTED THAT THE FITTING APPEARED TO HAVE BROKEN DUE TO FATIGUE. THE MAINTENANCE RECORDS DO NOT INCLUDE ANY DOCUMENTATION OF THE FUEL FLOW SYSTEM INSTALLATION. AN ANNUAL INSPECTION WAS COMPLETED 4.8 HOURS PRIOR TO THE ACCIDENT.

Probable Cause: a fatigue failure of the carburetor fuel inlet fitting. A fuel flow system modification and an inadequate annual inspection were factors in the accident.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: LAX94LA223
Status: Investigation completed
Duration: 8 months
Download report: Final report

Sources:

NTSB LAX94LA223

Location

Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
10-Apr-2024 07:22 ASN Update Bot Updated [Time, Cn, Operator, Other fatalities, Departure airport, Source, Narrative, Category, Accident report]

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