As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, SMOKE AND SMELL FOUND COMING FROM OVERHEAD PANEL BY LANDING LIGHT SWITCHES. TURNED OFF ALL SWITCHES, PULLED CIRCUIT BREAKERS AND RETURNED FOR LANDING. REPLACED RIGHT LANDING LIGHT SWITCH. REPLACED H V LEAD TO LANDING LIGHT, CLEANED CONNECTIONS. OPERATIONALLY CHECKED AND NO SMOKE NOTED. (M)