What was found
VALVE TRAIN ROLLER AND CAM SPALLED. DISCOVERED WHILE PERFORMING REPAIR TO THE ENGINE. BOTH THE CAM AND ROLLER WERE FAILING BY SPALLING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VALVE TRAIN ROLLER AND CAM SPALLED. DISCOVERED WHILE PERFORMING REPAIR TO THE ENGINE. BOTH THE CAM AND ROLLER WERE FAILING BY SPALLING.