As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED TO MX THAT WITH THE THROTTLE LEVER AT THE GATE (FWD SIDE OF GATE) THE ENGINE WAS GOING INTO REVERSE. THE SUBSEQUENT INSP FOUND THE REVERSE ROPE CASING HAD BROKEN AT THE SWIVEL JOINT. THE REVERSE ROPE ITSELF WAS STILL ATTACHED.