Service difficulty report · Bearing Race · Dhav DHC7102

Difficulty date
March 29, 2010
Submitted
May 14, 2010
Operation
General aviation
Aircraft
N34HG
Make and model
Dhav DHC7102
Aircraft serial
34
Engine
Pwa PT6*
Propeller
Hamstd 24PF305
Part
Bearing Race
Part number
7384301
Condition
Damaged
Location
Nr 3 Prop Blade
Part time
18,303 hours, 4,828 cycles
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

(K08R) UPON DISASSEMBLY OF THE PROPELLER ASSY, FOLLOWING REMOVAL FOR TIME CHANGE. THE NR 3 PROPELLER BLADE, PN PFA12D1-9, SN 862170, BEARING RACE WAS FOUND TO BE SIGNIFICANTLY DAMAGED WITH CONSIDERABLE SPALLING WITHIN THE RACE SURFACES WITH CRACKS AND THE END OF THE RACE HALF BROKEN OFF.