As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO B LOOP FIRE DETECTION DOES NOT TEST. ACFT GROUNDED. COULD NOT DUPLICATE. AS A PRECAUTION, CLEANED BOTH FWD CARGO BAY B LOOP SMOKE DETECTORS IAW MM 26-16-01. ACCOMPLISH FWD CARGO SMOKE & OPS TEST IAW MM 26-16-00. ALL TESTED NORMAL.