Service difficulty report · Seal · Piper PA24260

Difficulty date
April 25, 2005
Submitted
May 3, 2005
Operation
General aviation
Aircraft
N9241P
Make and model
Piper PA24260
Aircraft serial
244740
Engine
Lyc IO540D4A5
Part
Seal
Part number
LW13792P50
Condition
Failed
Location
Crankshaft
Stage of operation
IN
How discovered
9
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

UPON TRYING TO INSTALL THE SOLID OIL SEAL OVER THE CRANKSHAFT FLANGE, THE SEAL FAILED AND TOTALLY SEPERATED IN A STRAIGHT LINE 90 DEGREES TO THE FACE OF THE SEAL. VERY LITTLE FORCE WAS BEING APPLIED TO THE INSTALLING TOOL WHEN THE SEAL FAILED. THIS WAS SECOND FAILURE OF THE SAME LOT. PRODUCT SHELF LIFE EXPIRATION DATE 4Q07. ACCORDING TO MFG THE SHELF LIFE IS 12 QUARTERS. (K)

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