As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS ARE SMELLING A SMELL IN CABIN & ALSO THE OVERHEAD LIGHTS IN ROW 36 WENT OFF ON ARRIVAL. PERFORMED CABIN ODOR WC 21-059-002. FOUND BALLAST ABOVE ROW 35DEF SN A1447 FAILED & CONNECTOR TO BALLAST FAULTY. PLACED ON MEL 33-02 SIT 1 CAT C DMI 16059. BALLAST SECURED & CONNECTOR REMOVED & STOWED, PLACARD INSTALLED.