As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMF- ROW 12 BURNED WIRING ODOR. T/S TO SIDEWALL DOWNWASH LIGHT POWER UNIT DIMMER AT ROW 12A,B. DEACTIVATED UNIT DIMMER. PERFORMED OPS TEST OF PAX COMPARTMENT LIGHTS PER TASK 33-21-00-710-801 OF THE AMM. NO ODOR OR DEFECTS NOTED. OPS PACKS WITH APU BLEED AND ENGS BLEED AIR. NO ODOR. REPLACED BALLAST. RETURNED TO SERVICE.