Service difficulty report · Vernatherm · Robsin R44

Difficulty date
October 16, 2001
Submitted
January 23, 2002
Operation
General aviation
Aircraft
N8353K
Make and model
Robsin R44
Aircraft serial
0348
Engine
Lyc O540F1B5
Part
Vernatherm
Part number
53E22144
Condition
Stuck
Location
Oil Cooler
Part time
797 hours
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
O

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

What was found

HIGH OIL TEMPERATURES, AT RED LINE 245 DEGREES, VERIFIED BY DECREASE IN OIL PRESSURE. FOUND VALVE STUCK, NOT EXTENDING. REMOVED AND REPLACED WITH NEW PART. OPS CHECKED GOOD.