As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRODUCTION REQUEST AFT CARGO SMOKE DET. SYS , BOTH PRIMARY AND SECONDARY BLOWERS INOPERATIVE. REMOVED AND REPLACED PRIMARY AND SECONDARY AFT CARGO SMOKE DETECTOR BLOWER PER MM. REMOVED AND REPLACED NR 1 BLOWER AFT CARGO SMOKE DET. DELAY RELAY K334 IAW FIM. OPS CHECK GOOD IAW MM.