As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINES STARTED THE LT ELEVATOR PITOT LIGHT ILLUMINATED. ACFT GROUNDED. IAW WDM 30-31-11 FOUND THE LT ELEVATOR PITOT HEATER OPEN D644 PIN 40 TO GND OPEN. REPLACED LT ELEVATOR PITOT TUBE IAW AMM 27-31-94-000-801 & -400-801. OPS NORMAL. LEAK CHECKED GOOD IAW AMM 27-31-17-790-801.