As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACRID SMELL IN BUSINESS CLASS, NO SMOKE OR BURNING WAS OBSERVED BY PASSENGERS OR CREW. OCCURRED 20 MINS AFTER T/O SMELL DECREASED AFTER 5 MINS AND GONE UPON LANDING. CHECKED SIDEWALL AND OVERHEAD LIGHTS AND SURROUNDING AREAS, CHECKED UNDER SEATS AND OPERATION OF SAME. CKD FOR POPPED C/B'S IN COCKPIT AND E/E AREA NONE POPPED RAN ENGS AND LOADED SYSTEMS. NO TROUBLE FOUND, A/C OK FOR SERVICE.