Service difficulty report · Turbocharger · Cessna 402C

Difficulty date
January 16, 2013
Submitted
January 18, 2013
Operation
Air carrier
Aircraft
N762EA
Make and model
Cessna 402C
Aircraft serial
402C0061
Aircraft time
30,991 hours
Part
Turbocharger
Part number
4066109028
Part serial
NIL00119
Condition
Failed
Location
Zone 600
Part time
1,312 hours
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

PILOT REPORTED A GRADUAL POWER LOSS, ACCOMPANIED BY PARTIAL ENGINE STUTTER DURING FLIGHT IN THE RT ENGINE. THE PILOT LANDED SAFELY AT PLANNED DESTINATION AIRPORT AND BROUGHT THE ACFT IN FOR MX. UPON INSPECTION, THE ENGINE WAS FOUND TO BE EMPTY OF OIL. AS THE ENGINE WAS TORN DOWN TO BE R & R, THE TURBO BEARING AND OIL SEAL IN THE TURBOCHARGER WERE FOUND TO HAVE FAILED. THIS FAILURE ALLOWED ENGINE OIL TO PUMP OUT THROUGH THE TURBO. THE ENGINE IS BEING R & R.

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