As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT MID, MAIN DET LOOP B FAULT ILLUMINATED ON ECAM. ALTITUDE WAS 10,500. LEVELED 11,000 FT AS CARGO SMOKE LAND ASAP ILLUMINATED ON ECAM. ACCOMPLISHED ECAM PROCEDURE WHILE RETURNING TO BIL. PERFORMED MAIN CARGO COMPARTMENT SMOKE DETECTION TEST PER MM 26-19-00- 05. NO DEFECTS NOTED. SUSPECT CONDENSATION FROM SNOW ON TOP OF SHIPPING CONTAINERS IN POSITIONS 1 AND 2. UNLOADED CONTAINERS. NO EVIDENCE OF SMOKE.