Service difficulty report · Gasket · Piper PA31350

Difficulty date
July 12, 2000
Submitted
July 20, 2000
Operation
General aviation
Aircraft
N35270
Make and model
Piper PA31350
Aircraft serial
317952141
Part
Gasket
Part number
LW13366
Condition
Deteriorated
Location
Filter Conv Plte
Part time
177 hours
Stage of operation
IN
How discovered
V
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

AFTER REPORT FROM ANOTHER OPER ABOUT OIL FILTER CONVERTER PLATE GASKET POSSIBLY FAILING, TECH WERE INSPECTING THE AREAS AROUND OIL FILTER CONVERTER PLATES FOR SIGNS OF GASKET EXTRUDING PAST PLATE ON ACCY HOUSING OIL FILTER PAD. ON HEAVY INSP OF ENG, NOTICED A .0312 INCH TO .0625 INCH OF GASKET MATERIAL EXTRUDING PAST CONVERTER PLATE. FOR SAFETY, OLD GASKET REMOVED. NOTED OLD GASKET WIDER, THINNER, AND BRITTLE (COMP TO NEW). DURING REMOVAL, GASKET CAME OUT IN SMALL PIECES. NOTED THE BRAKE AWAY TORQUE WAS IN EXCESS OF 50-60 FEET/POUNDS REQ BY SI 1453. THIS SI IS REFERRED TO IN SSP 493, PC-315-5 DATED OCT 1991 FOR TIO, LTIO-540 SERIES TEXTRON LYC. (X)

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