What was found
PILOT REPORTED THAT AFTER TAKEOFF, POWER WAS APPLIED, AFX DISABLE ANNUNCIATOR ILLUMINATED & RT AUTOFEATHER DISARMED, THEN REARMED. THEN AFTER ROTATION, RT AUTOFEATHER DISARMED. ON CLIMB OUT SYS REARMED FOR THE REMAINDER OF THE FLIGHT. SUPPLEMENTAL INFORMATION WILL BE SUBMITTED UPON COMPLETION OF THE REPAIR & RETENTION OF THE PAPERWORK.