As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE & DESCENT A BURNING SMELL WAS NOTICED & THEN WENT AWAY. POST FLIGHT INSPECTION REVEALED SPEED TAPE MELTED AWAY FROM ACM AREA. TRANSFERRED TO NRWC 617-DFW-02434. COMPLIED WITH ETN-EM-72-034 IAW NRWC 617-DFW-02437, NO ODOR NOTED. REPLACED LIGHTING BALLAST AT SEAT 6 & 7BC IAW AMM 33-21-04. OPERATIONAL CHECKED GOOD. NO FURTHER DEFECT'S NOTED AT THIS TIME.