NTSB Identification: SEA84LA003.
The docket is stored on NTSB microfiche number 21569.
Accident occurred Tuesday, October 04, 1983 in SEATTLE, WA
Aircraft: CESSNA T210M, registration: N1817M
Injuries: 4 Uninjured.

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

AFTER TAKEOFF WHILE ON A RIGHT TURNOUT FROM RWY 31L, & AT ABOUT 1000 FT AGL, THE ENG QUIT. THE PLT RETURNED TO THE ARPT & ELECTED TO LOWER THE GEAR WHEN HE KNEW RWY 13L COULD BE REACHED. HOWEVER THE LEFT MAIN GEAR FAILED TO LOCK PRIOR TO TOUCHDOWN & THE AIRCRAFT SKIDDED OFF THE LEFT OF THE RWY. ENG TEARDOWN REVEALED A FATIGUE FRACTURE OF THE #4 CRANKSHAFT CHEEK.

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

ENGINE ASSEMBLY,CRANKSHAFT..FATIGUE

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