What was found
SHORTLY AFTER TAKE-OFF, THE T/R CHIP CAUTION LIGHT ILLUMINATED IN FLIGHT. PILOT PERFORMED ONE FUZZ BURNER ACTIVATION, BUT THE LIGHT CAME BACK ON. THE PILOT RETURNED TO BASE AND LANDED UNEVENTFULLY. MECHANIC CHECKED T/R AND INTERMEDIATE GEARBOXES FOR DEBRIS AND FOUND ONLY NORMAL FUZZ. HE CHANGED THE OIL ON BOTH GEARBOXES AND PERFORMED A 10-MINUTE GROUND RUN. CHECKED BOTH CHIP PLUGS AFTER THE GROUND RUN AND FOUND NO DEBRIS. AIRCRAFT WAS RETURNED TO SERVICE WITH NO FURTHER ISSUES.