SDR 20070125

Service difficulty report · Gear · Robsin R44RAVENII

Difficulty date
January 24, 2007
Submitted
January 25, 2007
Operation
General aviation
Aircraft
N622
Make and model
Robsin R44RAVENII
Aircraft serial
10003
Aircraft time
1,167 hours
Engine
Lyc IO540AE1A5
Engine time
1,167 hours
Part
Gear
Condition
Worn
Location
Engine
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 INSPECTION OF THE ENGINE WHILE REPLACING THE CRANKSHAFT IAW SB 569A, IT WAS OBSERVED THAT (PN 13519647) CRANKSHAFT GEAR WAS EXCESSIVELY WORN. THE GEAR WAS REPLACED WITH A NEW PART.