As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING 1600 HR SPACER TUBE INSPECTION ON MAIN TRANSMISSION, TECHNICIAN NOTICED PAINT COMING OFF OF COLLECTOR WHEEL ABOVE SPLINED AREA, REMOVED PEALING PAINT TO DISCOVER CORROSION AND PITTING ON COLLECTOR WHEEL. THIS AIRCRAFT CURRENTLY REMAINS OOS AT THE TIME OF THIS SUBMISSION WHILE THE TRANSMISSION IS BEING REPLACED.