What was found
EBBR - DURING CRUISE AT FL 330, ALL THREE CREW MEMBERS NOTICED AN ELECTRICAL ODOR. ISOLATED TO CAPTAINS MAP LIGHT RHEOSTAT. TURNED OFFLIGHT, ODOR DISSIPATED. TRANSFERRED TO DMI NR 217 AS PER MEL 33-1. PULLED MAP LIGHT C/B AND SECURED. PLACARDED MAP LIGHT 'INOP'. (M)