As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISASSEMBLY OF GEARBOX REVEALED SEVERE DAMAGE TO THE DAMPER RING ON THE RIGHT FORWARD IDLER GEAR. ALSO, RIGHT FORWARD IDLER GEAR WEB CRACKED (P/N 792207-3) BULKHEAD (P/N 775754-13) HAS 0.060 INCH - 0.080 INCH GROOVE WORN IN. RECOMMEND SCRAP DISPOSITION. (P/N 775760-2, FIG 8 ITEM 85). HSS SO NR 85198SE. CUST: SIMMONS A/L.