Service difficulty report · Exhaust Valve · Piper PA28161

Difficulty date
November 2, 2017
Submitted
March 28, 2018
Operation
General aviation
Filed by
ECPR466D
Skyborne Airline Academy Inc
Aircraft
N9247V
Make and model
Piper PA28161
Aircraft serial
2841255
Aircraft time
16,088 hours
Engine
Lyc O320D3G
Engine time
7,447 hours
Part
Exhaust Valve
Part number
17B23936
Condition
Worn
Location
Nr 2 Cylinder
Part time
1,784 hours
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

DURING A SCHEDULED INSPECTION IT WAS FOUND THAT THE NR 2 ENGINE CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THAT THE EXHAUST VALVE FACE AND EXHAUST SEAT INTERFACE SHOWED EXCESSIVE WEAR CAUSING THE EXHAUST VALVE FACE TO CUP.

More about the Piper PA-28-161