Service difficulty report · Seal · Piper PA31350

Difficulty date
August 15, 2000
Submitted
January 19, 2001
Operation
General aviation
Make and model
Piper PA31350
Aircraft time
14,764 hours
Engine
Lyc TIO540J2BD
Part
Seal
Part number
7581378
Condition
Ruptured
Location
Rt Engine
Part time
586 hours
Component
Oil Filter · LW13904
Stage of operation
TO
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, C

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

What was found

(CAN) RT ENGINE OIL FILTER CONVERTER PLATE SEAL RUPTURED DURING TAKEOFF, CAUSING OIL LOSS ONTO HOT TUBOCHARGER AND EXHAUST COMPONENTS. THE FLIGHT CREW NOTED DECAYING OIL PRESSURE AND LOSS OF PROPELLER RPM CONTROL, AND INITIATED ENGINE IN-FLIGHT SHUTDOWN. INVESTIGATION REVEALED AN APPARENT BREAK-DOWN OF THE BONDED RUBBER SEAL MATERIAL BETWEEN THE OIL FILTER CONVERTER-PLATE AND THE ENGINE CASE. THE SWELLED RUBBER INDICATED AN INCOMPATIBILITY WITH THE ENGINE OIL.

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