As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED MGB CHIP LIGHT ON LANDING AT BASE. CHIP PLUG AND FILTER INSPECTED, CLASS A BLACK FUZZ FOUND ON PLUG. IAW AMC EO 23-6300-EO-669 AND AD 2014-05-01 INSPECTION OF DRIVE GEAR PINION AND BEVEL GEAR TEETH REQUIRED AS THERE HAD BEEN 2 CHIP LIGHTS WITHIN THE PAST 100 HOURS FLIGHT TIME. INSPECTION OF GEAR TEETH SHOWED MICRO PITTING AND PITTING IN EXCESS OF ALLOWABLE LIMITS (NONE ALLOWED). ACFT TAKEN OUT OF SERVICE FOR TRANSMISSION REPLACEMENT.