As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ACRID ODOR NEAR THE AFT LAVATORY. ALSO PRESENT NEAR EXIT ROWS. SLIGHT ODOR IN COCKPIT ON TAKEOFF, BUT SUBSIDED. PERFORMED CONDITIONAL INSPECTION IAW AMM 05-51-26-800-80. NO EVIDENCE OF HEAT OR SMOKE & NO DAMAGE FOUND. INSPECTED OVERWING EXIT DOOR HEATERS IAW AMM 21-45-00-700-801, NORMAL OPERATION & NO DISCREPANCY NOTED.