Service difficulty report · Seal · Piper PA31350

Difficulty date
April 26, 2007
Submitted
June 7, 2007
Operation
General aviation
Make and model
Piper PA31350
Aircraft time
16,906 hours
Engine
Lyc TIO540J2BD
Propeller
Hartzl HCE3YR2A
Part
Seal
Part number
C3317228
Condition
Leaking
Location
Crankshaft
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

(CAN) RECEIVED ENGINE, AFTER A REPAIR FOR PREMATURE CAMSHAFT FAILURE (REF: SDR 20070319008). AFTER INSTALLATION AND RUN-UPS, AN OIL LEAK WAS DISCOVERED AT THE CRANKSHAFT SEAL. WHEN THE SEAL WAS REMOVED IT WAS NOTED THAT IT WAS A (SPLIT) TYPE SEAL NOT THE ONE-PIECE AS CALLED FOR IN THE IPC. AFTER SPEAKING WITH REPAIR STATION, THEY AGREED TO COVER THE LABOR AND NEW SEAL COSTS. A NEW SEAL WAS INSTALLED AND THERE HAVE BEEN NO LEAKS SINCE. WE RETURNED THE DEFECTIVE SEAL, AS THEY REQUESTED IT FOR QUALITY PURPOSES. (TC NR 20070503006)

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