As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABLES (ALL 3) WERE FRAYED ON FUSELAGE 90 DEGREE PULLEYS. THE AIRCRAFT HAD BEEN TREATED INTERNALLY WITH 'THERMAL GARD'. THE TREATMENT WAS FOR ANTI-CORROSION. THE TREATMENT FORMED A SMOOTH BARRIER THAT MADE VISUAL INSPECTION LOOK OK. CLEANING CABLES WITH SOLVENT AND CLOTH RAGS REVEALED MANY BROKEN STRANDS.