As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT FLIGHT ATTENDANT DETECTED A HOT SMELL IN AFT CABIN AREA DURING CLIMBOUT. ODOR DISSIPATED WITHIN TWO MINTUES. INSPECTED AND CHECKED OPERATION OF AVIONICS COOLING FAN, RECIRCULATING FAN, RADIO RACK FAN AND CARGO HEATERS. RAN APU AND ENGINES WITH BOTH PACKS ON, NO SMELL NOTED. FOUND OVERHEAD LAMP AT ROW 30 NOT FULLY ENGAGED AND BURNT THE END OF THE LAMP. REMOVED AND REPLACED LAMP AND BALLAST.