SDR 2009F00107

Service difficulty report · Crankshaft · Beech 58

Difficulty date
October 1, 2009
Submitted
November 9, 2009
Operation
Air carrier
Aircraft
N58GE
Make and model
Beech 58
Aircraft serial
TH1480
Aircraft time
4,577 hours
Engine
Cont IO550C
Engine time
1,112 hours
Part
Crankshaft
Condition
Broken
Location
Zone 500
Part time
1,112 hours
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LT ENG HAD UNCOMMANDED ENG SHUTDOWN IN CRUISE FLIGHT. ENG PROPELLER WAS THEN FEATHERED AND ENG SECURED IAW MANUAL. CHECKED ENG UPON REMOVAL AND FOUND CRANKSHAFT BUSTED, SPUN BEARINGS AT LEAST. CASE WAS UNABLE TO BE SPLIT DUE TO SOME CYL DAMAGE. LANDING WAS MADE. FLIGHT WAS NOT DURING A 135 FLIGHT, JUST A RETURN FLIGHT FROM REPAIRING ANOTHER AIRCRAFT.

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