Service difficulty report · Main Bearing · Tmpson NAVIONA

Difficulty date
July 26, 1996
Submitted
March 26, 2000
Operation
General aviation
Make and model
Tmpson NAVIONA
Engine
Cont E2254
Part
Main Bearing
Part number
40644
Condition
Seized
Location
Crankcase
Part time
770 hours
Stage of operation
IN
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

(CAN) CRANKCASE ASSEMBLY RECEIVED FOR INSPECTION AFTER REPORTS OF HIGH OIL TEMPERATURE, LOW OIL PRESSURE AND STIFFNESS OF PROP ROTATION. CRANKCASE DISMANTLED, CLEANED AND INSPECTED. INSPECTION FOUND THE #5 MAIN BEARING SEIZED. FAILURE TYPICAL OF OIL STARVATION, FURTHER INSPECTION REVEALED A LARGE AMOUNT OF RUBBER DEBRIS IN THE SUCTION TUBE, CHOKING THE SUCTION SCREEN. CRANKCASE OVERHAULED.