Service difficulty report · Shaft · Robsin R44

Difficulty date
May 8, 2008
Submitted
November 3, 2008
Operation
General aviation
Make and model
Robsin R44
Aircraft time
4,847 hours
Engine
Lyc O540F1B5
Part
Shaft
Condition
Damaged
Location
Cooling Fan
Part time
473 hours
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

(CAN) ON POST FLIGHT THE COOLING FAN WAS FOUND SPUN ON THE LOWER BEARING AND SHAFT ASSY. (ALIGNMENT MARK MISALIGNED) (TC NR 20080514007)