As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AT GATE EXTERNAL POWER CORD SHORTED/SURGED CAUSING FIRE/EXCESSIVE HEAT DAMAGE TO EXTERNAL POWER RECEPTACLE SHROUD ASSY GROUNDED - YES. REPLACE EXTERNAL POWER RECEPTACLE SHROUD ASSY AND HARDWARE AS NEEDED IAW B737-700 SRM 51-40-02