As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DECENT APPROX 8000 FT RT PROP RPM DROPPED TO 1600 RPM. CREW ATTEMPTED TO CORRECT USING RT POWER LEVER WITH NO JOY. ACFT LANDED SAFETLY AND PROP RPM REDUCED TO NORMAL. ALL ENGINE PARAMETERS REMAINED NORMAL DURING EVENT. R & R RT CONDITION LEVER CABLE TELEFLEX SUPPORT BRACKET WITH A SERVICEABLE NEW UNIT. POWER / CONDITION RIGGING CHECKED IAW AMM CH: 76-10-00, INSTALLED BRACKET PN: 80-337962-401.