What was found
FOUND ZERO COMPRESSION ON ROUGH RUNNING ENGINE. FOUND CRACK FROM TOP SPARK PLUG AROUND OUTSIDE OF EXHAUST SEAT TO BOTTOM SPARK PLUG. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FOUND ZERO COMPRESSION ON ROUGH RUNNING ENGINE. FOUND CRACK FROM TOP SPARK PLUG AROUND OUTSIDE OF EXHAUST SEAT TO BOTTOM SPARK PLUG. (X)