As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NUMBER TWO ENGINE HAD FIRE WARNING ON TAXI IN. LIGHT REMAINED ON AFTER BOTH BOTTLES WERE SEQUENTIALLY DISCHARGED. *S/D* ACCOMPLISHED VISUAL CHECK OF ENGINE, FOUND OK. CHECKED INLET AND EXHAUST, ALSO OK. REPLACED ENGINE MODULE AND RAN ENGINE, NO FAULTS. SHOP TESTED THE MODULE AND FOUND THE UNIT OK.