As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ENGINE 1 FIRE EXTINGUISHER PUSH BUTTON AMBER DISCHARGE ILLUMINATED. REMOVED AND REINSTALLED ENGINE AND AUXILIARY POWER UNIT FIRE PANEL PER AMM 26-12-12 NO FIX. FOUND NUMBER 1 ENGINE NUMBER 1 FIRE BOTTLE EMPTY. REMOVED AND REPLACED FIRE BOTTLE (AALA202106189008) PER AMM 26-21-41.