What was found
NR 4 ENGINE , NR 17 CYLINDER BOTH PLUGS SHOWING LOW COMPRESSION PATTERNS. REPLACED NR 2 & NR 9 CYLINDER FRONT & REAR PLUGS DUE TO FOULING. CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 ENGINE , NR 17 CYLINDER BOTH PLUGS SHOWING LOW COMPRESSION PATTERNS. REPLACED NR 2 & NR 9 CYLINDER FRONT & REAR PLUGS DUE TO FOULING. CHECKED GOOD.