Service difficulty report · Ring · Pilats PC1245

Difficulty date
December 16, 2010
Submitted
March 15, 2011
Operation
Air carrier
Make and model
Pilats PC1245
Aircraft time
17,179 hours
Propeller
Hartzl HCE4A3D
Part
Ring
Part number
4H30081
Condition
Damaged
Location
Propeller
Part time
263 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) PROPELLER ASSEMBLY WAS PURCHASED (NEW) FROM HARTZELL PROPELLER. SLIP RING ASSEMBLY HAS PIN HOLES IN SEVERAL AREAS BETWEEN THE RINGS IN THE POTTING COMPOUND/RESIN. THESE ARE KNOWN TO WARP THE RINGS WHEN NOT FULLY INTACT AND ALL RESIN IN PLACE.