Service difficulty report · Bearing · Cndair CL6002B19

Difficulty date
March 23, 2010
Submitted
April 19, 2010
Operation
Air carrier
Aircraft
N8412F
Make and model
Cndair CL6002B19
Aircraft serial
7412
Aircraft time
21,760 hours, 19,527 cycles
Engine
Ge CF343B1
Part
Bearing
Part number
AW20V4012
Condition
Cracked
Location
Engine Mount
Part time
9,791 hours, 8,446 cycles
Component
Yoke · Bombdr
Component part number
601370158PE
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

DURING ENGINE REMOVAL FOR 18K LLP SHOP VISIT, MAINTENANCE DISCOVERED WHAT APPEARED TO BE A CRACK IN A FORWARD ENGINE MOUNT YOKE BEARING. THE MOUNT YOKE WAS REMOVED FROM SERVICE AND SENT OUT FOR REPAIR. THE REPAIR VENDOR CONFIRMED THE BEARING RACE TO BE CRACKED. AIRLINE HAS REQUESTED THE BEARING BE RETURNED FOR ANALYSIS.