As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE UNIT WAS REMOVED FROM THE AIRCRAFT DUE TO A LT IDLER GEAR FAILURE. THE FAILED GEAR BROKE THROUGH THE GEAR CASE HOUSING. DISASSEMBLY OF THE UNIT REVEALED THE IDLER GEAR WEB HAD FAILED. ALSO, OBSERVED WAS BROKEN DAMPER RINGS, BROKEN RETAINING RINGS AND A BROKEN SLIDER BLOCK HOUSING. REF. CMM 72-11-02.