As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCHARGED BOTH LOWER CARGO COMPT FIRE BOTTLES, INDICATION OF FWD LOWER CARGO FIRE. AFTER CHECKING COMPARTMENT AND WHILE BEING TOWED HAD ANOTHER ACTIVATION OF LOWER CARGO FIRE WARNING. REMOVED AND REPLACED LWR FWD CARGO COMPT FIRE SUPP/SMOKE DET CONTROL ELEC UNIT AND CONTROL PANEL PER MM 26-17-012-2 AND MM 26-17-001-5. ALSO, REMOVED AND REPLACED BOTH CARGO COMPT FIRE BOTTLES.