Service difficulty report · Seal

Difficulty date
August 14, 2014
Submitted
March 12, 2015
Operation
General aviation
Propeller
Hartzl HCB3TN3
Part
Seal
Part number
C33173471
Condition
Deteriorated
Location
Propeller
Part time
1,209 hours
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

(CAN) PISTON SEAL RUBBER WAS BREAKING APART IN VARIOUS PLACES CAUSING OIL TO LEAK FROM THE PROPELLER PISTON.