As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK L ELEV PITOT LIGHT DID NOT EXTINGUISH WHEN PITOT HEAT APPLIED. GROUNDED - YES. FOUND LH ELEV PITOT HEAT C/B POPPED, PERFORMED C/B RESET PROCEDURE PER B737-800 AMM 20-60-01, NO DEFECTS NOTED. COMPLETED PITOT PROBE OPS CK PER AMM 30-31-00 OPS CK GOOD.