As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO MAIN TRANSMISSION CHIP INDICATIONS 35 HOURS APART REQUIRING PINION AND BEVEL GEAR INSPECION PER AIRBUS ASB EC135-63A-012. FOUND PITTING ON #1 BEVEL GEAR THAT WAS BEYOND LIMITS. THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION AWAITING A REPLACEMENT MAIN TRANSMISSION TO ARRIVE.