As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN SMOKE DETECTOR LIGHT R2 ILLUMINATED WITH SMOKE LIGHT ON MWP DURING STALL CHECKS WITH ODOR, THEN LIGHT WENT OUT AFTER 1 MINUTE. RAN SMOKE CHECKLIST MAIN CARGO DECK ISOLATION VALVE WENT AMBER & RT ISOLATION LIGHT WENT CROSSLINE. REMOVED AND REPLACED RT AND LT COALESCER BAGS PER A300 DHL MM 21-51-16. PERFORMED GROUND IDLE ENG RUNS HAD NO SMOKE SMELL OR INDICATING PER A300 DHL MM 21-00-00 PO 407168.1.