Service difficulty report · Cylinder Head

Difficulty date
October 27, 2009
Submitted
January 25, 2010
Operation
General aviation
Engine
Cont IO470*
Part
Cylinder Head
Condition
Cracked
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

BOTTOM SPARK PLUG CRACK, EXHAUST SEAT CRACK, FUEL INJECTOR BOSS CRACK, AND INTAKE PORT CRACK. TOO SEVERE FOR REPAIR.