As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON EXENED BASE POWER AT 1200 FT. LBS. ENGINES WERE GOING IN AND OUT OF FEATHER. MAINTENANCE RE-RACKED THE AUTOFEATHER PRINTED CIRCUIT BOARD AND THEY SYSTEM OPERATIONALLY CHECKED GOOD PER BMM 61-21-00-0001. OPERATION CHECK OF AUTOFEATHER SYSTEM GOOD PER 61-21-00 AND THE OPERATIONAL CHECK FLIGHT WAS SATISFACTORY.