As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 350 FWD/AFT/BTL1/BTL2/BELL/WARNING MASTER CAUTION ILLUMINATED. THEN ALL EXTINGUISHED 10 SECONDS LATER, NO OTHER INDICATIONS. NO BOTTLES DISCHARGED. INSPECTED FWD AND AFT CARGO COMPARTMENTS, BAGGAGE CHECKED, NO ABNORMAL INDICATIONS. CARGO FIRE DETECTOR SYSTEM CHECKS GOOD PER MM.