Service difficulty report · Shaft · Cessna 414A

Difficulty date
September 16, 2010
Submitted
October 8, 2010
Operation
General aviation
Aircraft
N116PA
Make and model
Cessna 414A
Aircraft serial
414A0021
Engine
Cont TSIO520NB
Part
Shaft
Part number
4067879
Condition
Broken
Location
Turbocharger
Part time
553 hours
Component
Turbocharger
Component part number
20601
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

CAUSED LOSS OF ENGINE OIL. OIL LEAKING FROM THE EXHAUST SIDE OF TURBOCHARGER SHAFT AND BURING OIL OUT OF THE EXHAUST PIPE. LET TURBO COOL DOWN SOME BEFORE SHUT DOWN. TURBO HAD EXCESSIVE COAKING SIGNS.

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