As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:PFLT D/D M220970 LOWER AFT CARGO SMOKE DETECTOR. SUP SYS INOP. INSTALLED CONTROL UNIT IAW MM 26-18-04. REQUIRES ADJ/TEST KSM 55919 PERFORMED SMOKE DETECTOR / CONFIG MODULE ADJ/TEST MM 26-18-01 AND LOWER CARGO COMP SMOKE DETECTION ADJ/TEST MM 26-18-00. NO DEFECTS NOTED. OK FOR SERVICE.