Service difficulty report · Bearing · Univar 415C

Difficulty date
December 8, 2003
Submitted
December 19, 2003
Operation
General aviation
Aircraft
N94107
Make and model
Univar 415C
Aircraft serial
1430
Engine
Cont C75*
Part
Bearing
Condition
Wrong Part
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

ENGINE STOPPAGE INFLIGHT, FIRST DIAGNOSIS WAS CARBURETOR PROBLEM. SECOND STOPPAGE INDICATED A DIFFERENT PROBLEM. TEARDOWN OF ENGINE REVEALED A SERIES OF FRONT MAIN JOURNAL BEARING HAD BEEN INSTALLED, BLOCKING AN OIL GALLERY, CAUSING SEVERE WEAR AND SEIZURE OF ENGINE. CONFERRED WITH MFG TECH, CONFIRMED DIAGNOSIS AS CAUSING THIS PROBLEM. NOTE: THIS ENGINE HAD 3 STOPPAGES BETWEEN DEPARTURE AND DESTINATION, ALL CARB ICE.