As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO SMOKE EICAS AND AURAL WARNING MOMENTARILY INDICATED DURING ARRIVAL INTO CPR, TEN MINUTES BEFORE LANDING. NO OTHER INDICATIONS FOLLOWED, REMOVED AND CLEANED CONNECTORS ON NR 1 AND NR 2 CARGO SMOKE DETECTORS. COMPLETED OPERATIONAL TEST OF CARGO SMOKE DETECTORS PER TASK 26-15-00, PAGE 501. ALL CHECKS GOOD AT THIS TIME.