Service difficulty report · Exhaust Valve · Cessna 172S

Difficulty date
July 22, 2016
Submitted
September 20, 2016
Operation
General aviation
Aircraft
N706LU
Make and model
Cessna 172S
Aircraft serial
172S11472
Aircraft time
1,199 hours
Engine
Lyc IO360L2A
Engine time
1,199 hours
Part
Exhaust Valve
Part number
05K21104
Condition
Stuck
Location
Engine
Part time
1,199 hours
Component
Engine · Lyc · IO360L2A
Component part number
IO360L2A
Stage of operation
IN
How discovered
C
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 50 HR OIL CHANGE INSPECTION, MAINTENANCE PERFORMED A DIFFERENTIAL PRESSURE CYLINDER LEAK CHECK OF ENGINE. CYLINDER NR 2 FAILED, 0/80 PSI, VISUAL INSPECTION CONFIRMED, STUCK EXHAUST VALVE.

More about the Cessna 172S