As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND ACRID BURNING SMELL IN COCKPIT AND FORWARD FLIGHT ATTENDANT STATION. FOUND BURNT COFFEE GROUNDS ON FORWARD COFFEE MAKER. CLEANED BURNT GROUNDS, NO SMELL NOTED. ALSO CHECKED E&E COMPARTMENT, FORWARD CARGO COMPARTMENT AND FORWARD FLIGHT ATTENDANT STATION. NO BURNT ODOR DETECTED IAW DC9 MM 25-30.