As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE FIRE ON GROUND, NO COCKPIT INDICATION PULLED LEFT BOTTLE AND BLEW 1 BOTTLE. ALSO NOTED AT THE TIME OF FIRE LT ENG OIL PRESSURE 0 DEGREES PSI. MAINTENANCE BORESCOPED AND RAN ENGINE WITH NO DEFECTS NOTED. INSTALLED SERVICEABLE CARGO SMOKE DETECTOR.