Service difficulty report · Cylinder · Robsin R44RAVENII

Difficulty date
April 18, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
3,553 hours
Engine
Lyc IO540AE1A5
Part
Cylinder
Part number
05K21120
Condition
Leaking
Location
Engine
Stage of operation
IN
How discovered
9
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) DURING AIRCRAFT 50/100 HR INSPECTION NR 3 CYLINDER WAS FOUND TO HAVE LOW COMPRESSION. CYLINDER REPLACED. INSPECTION OF REMOVED CYLINDER FOUND NO FAILED PARTS. EVIDENCE OF BLOW-BY ON CYLINDER WALLS.