As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO SMOKE DETECTION AIR SAMPLE TUBES FAILED LEAK CHECK, TROUBLESHOOTING REQUIRED. TROUBLESHOT CARGO SMOKE DETECTION AIR SAMPLE SYSTEM. FOUND LEAKS IN THE SYSTEM AND DAMAGED TUBES TIGHTENED THE SEAL ON THE HOSES AND REPLACED THE DAMAGED HOSES. IAW AMM TLS 0633TIC9-2-B(USE OF STANDARD INDUSTRY PRACTICES) AND SPECIAL FREIGHTER MMS 26-14-005. PERFORMED OPS CHECK. OPS CHECK GOOD.