As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG REMOVED FROM WING WHEN OPERATOR FOUND BETA CONTROL SYSTEM JAMMED. ENG SHIPPED TO ENGINE AMO FOR INVESTIGATION & REPAIR. SEIZED BETA CONTROL LINKAGE RESULT OF HEAVY CONTACT WEAR BETWEEN REAR SEALING LAND OF BETA TRANSFER SLEEVE & PROP SHAFT. REASON FOR SEIZURE WAS A LACK OF LUBE.