What was found
ENGINE RUN-UP AND ROUGH. CHECKED COMPRESSION, FOUND NR 5 CYLINDER 0/80. REMOVED CYLINDER, FOUND EXHAUST VALVE SEAT LOOSE IN HEAD FOLLOWING VALVE DURING VALVE MOVEMENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENGINE RUN-UP AND ROUGH. CHECKED COMPRESSION, FOUND NR 5 CYLINDER 0/80. REMOVED CYLINDER, FOUND EXHAUST VALVE SEAT LOOSE IN HEAD FOLLOWING VALVE DURING VALVE MOVEMENT.