As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B18707 INFLT CREW REPORT. MAIN DECK AFT FIRE WARNING CAME ON. THE CREW ACTUATED 4 LOWER CARGO COMP. FIRE EXTINGUISHERS. C/A: GROUND TEST FOUND MAWEA AFOLTS CARD N.G. 1.REPLACED THE AFOLTS & PER AMM 26-14-00 FUNCTION TEST NML. 2.RPLD 4 EA FIRE BOTTLES PER AMM 26-23-013. 3.RPLD THE FILTERS PER AMM 26-23-044. 4.RPLD 2 EA CREW OXY BOTTLES.