Service difficulty report · Freewheel Unit · Bolkms BO105S

Difficulty date
March 9, 2006
Submitted
March 21, 2006
Operation
Air carrier
Aircraft
N105NG
Make and model
Bolkms BO105S
Aircraft serial
S632
Engine
Allsn 250C20B
Part
Freewheel Unit
Part number
4638202007
Condition
Misinstalled
Location
Clutch
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 DAILY INSPECTION OF AC NOTED FREEWHEEL ASSY NOT FUNCTIONING PROPERLY. IN PUT DRIVE SHAFT FROM NR 1 ENGINE WOULD NOT FREEWHEEL IN COUNTER CLOCKWISE DIRECTION. REMOVED FREEWHEEL ASSY AND INSPECTED CLUTCH. FOUND SPRAG TURNED SIDEWAYS. METAL CLIP WHICH KEEPS SPRAG IN ALIGNMENT WAS BROKEN. NO RECOMMENDATIONS. (K)