Service difficulty report · Bearing Race · Dhav DHC8311

Difficulty date
October 28, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Engine
Pwa PW123
Propeller
Hamstd 14SF*
Part
Bearing Race
Part number
7943041
Condition
Failed
Location
Prop Blade
Part time
9,361 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 SCHEDULED REMOVAL. DURING THE DISASSEMBLY, THEY FOUND THE INNER RACE ON RT-3 BLADE HAD FAILED AND THE BEARING SURFACE WAS BROKEN AND SPLIT RADIALLY ALONG THE BALL BEARING PATH. A 6" PIECE HAD SPLIT AND BROKEN AWAY. REF: IPC-61-13-06, PG 1037, ITEM 150.