NTSB Identification: FTW85LA095.
The docket is stored on NTSB microfiche number 27822.
Accident occurred Wednesday, January 09, 1985 in HOUSTON, TX
Aircraft: CESSNA 172N, registration: N73849
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

INITIALLY, AFTER A TOP OVERHAUL, THE ENG WOULD NOT RUN. THE MECHANIC REMOVED THE CARBURETOR & FOUND A PIECE OF SILICON. AFTER REINSTALLING THE CARBURETOR, THE ENG OPERATED NORMALLY. THE PLT THEN TOOK OFF ON A MAINTENANCE TEST FLT. AS HE BEGAN A DESCENT BACK TOWARD THE ARPT, THE ENG STOPPED RUNNING & WOULD NOT RESTART, EXCEPT IT RESTARTED MOMENTARILY WHEN HE OPERATED THE PRIMER. DURING AN EMERGENCY LANDING, THE ACFT HIT A RICE FIELD LEVEE & NOSED OVER. AN EXAM REVEALED THAT THE FUEL LINE HAD BECOME DISCONNECTED FROM THE CARBURETOR AT A THREADED FITTING. A LABORATORY EXAM OF THE THREADED FITTING REVEALED A LACK OF SMEARING OR SCRATCHING THAT WOULD HAVE BEEN PRESENT IF THE FITTING HAD BEEN PROPERLY TORQUED.

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

FUEL SYSTEM,LINE..UNDERTORQUED

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

MAINTENANCE..IMPROPER..OTHER MAINTENANCE PERSONNEL

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

FUEL SYSTEM,LINE..LOOSE

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

FUEL SYSTEM,LINE..DISCONNECTED

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

FLUID,FUEL..STARVATION


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT

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