NTSB Identification: CHI86FA038.
The docket is stored on NTSB microfiche number 30224.
Accident occurred Wednesday, December 04, 1985 in HIGHLAND, MI
Aircraft: CESSNA T210M, registration: N1982M
Injuries: 1 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

FIFTEEN MINUTES AFTER TAKEOFF AN ENG FAILURE OCCURRED. THE PLT FORCE LANDED THE ACFT IN A FLD BUT THE ROUGHNESS OF THE LANDING SURFACE RESULTED IN THE NOSE AND RIGHT MAIN GEAR COLLAPSED. EXAMINATION DISCLOSED THE EXHAUST VAVLE HAD FAILED IN THE #4 CYLINDER. THE VAVLE GUIDES WERE FOUND TO BE EXTREMELY WORN IN ALL THE CYLINDERS. ACCORDING TO THE ENG LOGBOOK ALL THE VALVE GUIDES WERE REPLACED DURING A TOP OVERHAUL THAT WAS ACCOMPLISHED 137 ENG OPERATING HRS PRIOR TO THE ACCIDENT.

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

ENGINE ASSEMBLY,OTHER..WORN

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

MAINTENANCE,OVERHAUL..IMPROPER..OTHER MAINTENANCE PERSONNEL



Contributing Factors

ENGINE ASSEMBLY,VALVE,INTAKE..FAILURE,TOTAL

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