As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN TRANSMISSION HAD A CHIP LIGHT ILLUMINATE. MAIN TRANSMISSION WAS SENT TO THE OVERHAUL SHOP. UPON DISASSEMBLY IT WAS DISCOVERED THE DUPLEX BEARING FOR THE GEAR SHAFT ASSEMBLY WAS STALLING & IS THE SOURCE OF METAL CONTAMINATION IN THE TRANSMISSION. APPROX 1 INCH ON THE OUTER BEARING RACE IS WHERE THE METAL WAS COMING FROM.