As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACRID ODOR PRESENT IN CABIN. SEEMS TO BE FROM FORWARD OVERHEAD AIR VENT. INSPECTED THE CENTER CEILING AREA FOR SIGNS OF OVERHEAT. GROUND RAN THE ACFT AND OPERATED THE BLEED SYSTEM AND CYCLED THE INVERTERS. NO DEFECTS OR ODORS PRESENT. OKAY FOR SERVICE.