As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB PAX SAW A FLASH ABOVE ROW 20 FOLLOWED BY SMOKE AND FUMES. REF AMM05-51-56 SMOKE INSPECTION. REMOVED CABIN CEILING PANELS AT 19-20 ABC AND 19-20 KL. CONFIRMED HEAT DAMAGE ON LEFT SIDE CEILING BETWEEN STATION 764 AND 808 REQUIRING FURTHER INVESTIGATION. PHOTOS UPLOADED TO TOCS.