As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED PERSISTANT ELECTRICAL ODOR FROM L3 DOOR AREA. RECIRCULATION FANS ON AND OFF NO CHANGE. TURNED CABIN LIGHTS TO NIGHT MODE AND THE ODOR DISAPPATED. AFTER APPROX 6 HRS ELECTRICAL ODOR RETURNED. ACCOMPLISHED INSPECTION IAW MM 05-51-50. NO ABNORMALITIES NOTED. REPLACED F/A BUNK ROOM BALLAST. NO ABNORMAL ODORS NOTED DURING POWER RUNS.