Service difficulty report · Sprag Assy · Robsin R44RAVENII

Difficulty date
February 12, 2009
Submitted
May 13, 2009
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
2,706 hours
Engine
Lyc IO540AE1A5
Part
Sprag Assy
Condition
Broken
Part time
843 hours
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) SPRAG HAS 3 INNER EARS BROKEN OFF SPRAG HAS EXCESSIVE WINDOW WEAR 70.020 SHAFT PN 166-4, S/N 4170 REV N WORN UNDERSIZE HUB P/N 167-3 WORN OVERSIZE.