What was found
(CAN) LOSS OF PROPELLING FORCE WAS OBSERVED DURING FINAL STAGE OF LANDING & AN ACFT GEN CAUTION LIGHT COME ON SHORTLY AFTER. ON SHUTDOWN, THE PROP DIDN’T FEATHER COMPLETELY & WHEN THE CREW STARTED UP AGAIN, THE PROP WOULD NOT GO INTO FINE PITCH. RGB OVER SPEED GOVERNOR DRIVE SPLINE FOUND DAMAGED. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE & PROVIDE INFORMATION THROUGH SUBSEQUENT SERVICE DIFFICULTY REVIEW MEETING & SUPPORTING DOCUMENTS OR OTHER AGREED UPON COMMUNICATIONS.