SDR R019617

Service difficulty report · Bearing · Dorner DO328100

Difficulty date
April 15, 2006
Submitted
April 15, 2006
Operation
Air carrier
Filed by
SJ3R843L
Hartzell Service Center
Make and model
Dorner DO328100
Aircraft serial
30049
Aircraft time
13,718 hours, 16,191 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Bearing
Part number
C7438
Condition
Corroded
Location
Propeller Blade
Part time
546 hours
Component
Propeller · Hartzl · HDE6C3B
Component part number
HDE6C3B
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

INSTALLED NEW BEARINGS AND FORK AND COMPLIED WITH ALL APPLICABLE SERVICE BULLETINS. PROP WAS DISASSEMBLED FOR SHIPMENT. TSN 14711:35, TSO 2101:09. 1/26/03 - PROP WAS ASSEMBLED AND INSTALLED ON AC302. 4/11/06 - PROP HAS ACCUMULATED 546 HOURS. ALL SIX C-7438 BEARINGS ARE SEVERLY CORRODED AND FORK CONTAINS CORROSION ON THE OUTER SURFACES. CORROSION FOUND ON THE D-6277- PC BRACKETS AND D-6029 HYDRAULIC UNIT MOUNTING RING. FORK SLOTS SHOW SIGNS OF WEAR.