What was found
(CAN) SIDEWALL LIGHT 4F SHORTED OUT AND SPARKED CAUSING SLIGHT SMOKE IN CABIN. CONSIDERABLE CONDENSATION NOTICED. RESOLVED ON WO: 323780 TASKCARD: NR-00001, SIDEWALL LIGHT ASSY, PN, BCI -0065-003, AT ROW 4DF REPLACED AND TESTED SERVICEABLE. LIGHTING FIXTURE HAD NO EVIDENCE OF ANY ARCING OR SPARKING. ALSO, THE CEILING INSULATION WAS REMOVED AND, ACFT DRIED OUT AND INSULATION REINSTALLED.