As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS REPORTED A BURNT PLASTIC OR ELECTRICAL SMELL IN THE CABIN AFTER TAKEOFF. MAINTENANCE USED A BLACKLIGHT TO ACCOMPLISH APU LEAK CHECK PER AMM. NO LEAKS WERE NOTED. MAINTENANCE COMPLETED SMOKE IN CABIN TROUBLESHOOTING PER AMM. NO DEFECTS NOTED.