As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SMOKE IN THE COCKPIT DURING CLIMBOUT 12,000 FT. RETURNED TO TYS. MAINTENANCE BORESCOPED LT ENG PTO SHAFT AND COMPRESSOR SECTION TO LOOK FOR OIL LEAKING INTO THE BLEEDS IAW AMM 72-00-00. NO DEFECTS NOTED. FOUND LOOSE TERMINAL LUG ON F/O'S SIDE WINDOW, REPLACED SAME IAW EECSPN 20-20-00 OP CHECK GOOD IAW AMM 30-41-00.