What was found
DISCREPANCY: #4 Engine will not take a lean & #17 cylinder shows no compression on analyzer.CORRECTIVE ACTION: Replaced the #4 cylinder assy.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DISCREPANCY: #4 Engine will not take a lean & #17 cylinder shows no compression on analyzer.CORRECTIVE ACTION: Replaced the #4 cylinder assy.