As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLIDING SLEEVE STIFF. SLIDING SLEEVE BUSHINGS ARE VERY TIGHT, UPON REMOVAL SLIDING SLEEVE, SCRAPPED DUE TO EXCESSIVE CORROSION. INSTALLED NEW SLIDING SLEEVE, MAST SEAL & PACKINGS. REASSEMBLED TOP CASE ASSY & REINSTALLED IAW REM 103, COMPLIED WITH FREEWHEEL INSPECTION IAW REM 103.