As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING START OF DESCENT, RECEIVED A BAGGAGE EXTINGUISHER WARNING. FOLLOWED APPROPRIATE PROCEDURES AND LANDED. R & R BAGGAGE COMPARTMENT FIRE EXTINGUISHER BOTTLES IAW AMM-26-23-01. OPS CHECKED GOOD. R & R THE CARGO AREA SMOKE DETECTOR. PERFORMED ELECTRICAL ACFT RESET AND OPS CHECK IAW AMM 26-15-00. OPS CHECKED GOOD.